Ford Codes |
Trouble Code |
Fault Location |
Probable Cause |
P0171 |
Fuel trim (FT) system too lean, bank 1 |
Intake/exhaust leak, AIR system, MAFNAF sensor, fuel pressure/pump, injector(s), HO2S |
P0455 |
Evaporative emission (EVAP) system -large leak detected |
Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve |
P1000 – P1099 (Fuel and air metering and auxiliary emission control) |
P1000 |
On Board Diagnostic System Readiness Test Not Complete |
- |
P1001 |
Key On/Engine Running Not Able To Complete |
- |
P1039 |
Vehicle Speed Signal Missing or Improper |
|
P1051 |
Brake Switch Signal Missing or Improper |
|
P1100 – P1199 (Fuel and air metering) |
P1100 |
Mass Air Flow Sensor Intermittent |
Wiring, MAF sensor |
P1101 |
Mass Air Flow Sensor Out of Self-Test Range |
Wiring, battery, MAF sensor, ECM |
P1102 |
Mass Air Flow Sensor In Range But Lower Than Expected |
Wiring, MAF sensor, ECM |
P1105 |
Dual alternator upper -malfunction |
Wiring, alternator, ECM |
P1106 |
Dual alternator lower -malfunction |
Wiring, alternator, ECM |
P1107 |
Dual Alternator Lower Circuit Malfunction |
Wiring, alternator, ECM |
P1108 |
Dual Alternator Battery Lamp Circuit Malfunction |
Wiring, alternator (upper), alternator (lower), ECM |
P1109 |
IAT Sensor 2 Intermittent Condition |
|
P1111 |
CAT System Fault |
|
P1112 |
Intake Air Temperature Sensor Intermittent Condition |
Wiring, IAT sensor, ECM |
P1114 |
Intake Air Temperature Sensor 2 Circuit Low |
Wiring short circuit to ground, IAT sensor, ECM |
P1115 |
Intake Air Temperature Sensor 2 Circuit High |
Wiring, IAT sensor, ECM |
P1116 |
Engine Coolant Temperature Sensor is Out of Self-Test Range |
Wiring, cooling system fault, ECT sensor, CHTsensor, ECM |
P1117 |
Engine Coolant Temperature Sensor Intermittent |
Wiring, cooling system fault, ECT sensor, CHT sensor, ECM |
P1118 |
Manifold Absolute Temperature Circuit Low Input |
Wiring, IAT sensor, ECM |
P1119 |
Manifold Absolute Temperature Circuit High Input |
Wiring, IAT sensor, ECM |
P1120 |
Throttle Position Sensor Out of Range |
Wiring, TP sensor |
P1121 |
Throttle Position Sensor Inconsistent with Mass Air Flow Sensor |
Wiring, MAF sensor, TP sensor, air leak |
P1122 |
Throttle Position Sensor Circuit Intermittent Low Voltage |
|
P1123 |
Throttle Position Sensor Circuit Intermittent High Voltage |
|
P1124 |
Throttle Position Sensor Out of Self-Test Range |
Mechanical fault, TP sensor, ECM |
P1125 |
Throttle Position Sensor Intermittent |
Wiring, TP sensor |
P1127 |
Exhaust Not Warm Enough Downstream O2 Sensor Not Tested |
Engine not running long enough prior to self-test |
P1128 |
Front O2 Sensor Connectors Swapped |
Wiring, connectors swapped |
P1129 |
Downstream Oxygen Sensors Swapped from Bank to Bank |
Wiring, connectors swapped |
P1130 |
Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1 |
Wiring, intake/fuel system, H02S, EGR system, oil level, camshaft timing, cylinder compression, ECM |
P1131 |
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1 |
Wiring, intake/fuel system, H02S, EGR system, oil level, camshaft timing, cylinder compression, ECM |
P1132 |
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 1 |
Wiring, intake/fuel system, H02S, EGR system, oil level, camshaft timing, cylinder compression, ECM |
P1133 |
Bank 1 Fuel Control Shifted Lean |
|
P1135 |
Pedal Position Sensor 'A' Circuit Intermittent |
|
P1136 |
Crankshaft Position Sensor And Or Camshaft Position Sensor Input Signal to PCM Concerns |
|
P1137 |
Lack Of O2 Switches Bank 1 Sensor 2 Lean |
Wiring, exhaust system leaking, H02S |
P1138 |
Lack Of HO2S Switches Bank 1 Sensor 2 Rich |
Wiring, exhaust system leaking, H02S |
P1139 |
Water In Fuel Indicator Circuit Malfunction |
Wiring, bulb open circuit, instrument panel, ECM |
P1140 |
Water In Fuel Condition |
Wiring, fuel filter, fuel/water separator sensor,ECM |
P1141 |
Fuel Restriction Indicator Circuit Malfunction |
|
P1142 |
Fuel Restriction Condition |
|
P1145 |
Calculated Torque Error |
|
P1148 |
Alternator 2 -circuit malfunction |
Wiring, alternator, ECM |
P1149 |
Alternator 2 -high input |
Wiring, alternator, ECM |
P1150 |
Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2 |
Wiring, intake/fuel system, H02S, EGR system, oil level, camshaft timing, cylinder compression, ECM |
P1151 |
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 2 |
Wiring, intake/fuel system, H02S, EGR system, oil level, camshaft timing, cylinder compression, ECM |
P1152 |
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 |
Wiring, intake/fuel system, H02S, EGR system, oil level, camshaft timing, cylinder compression, ECM |
P1153 |
Bank 2 Fuel Control Shifted Lean |
|
P1154 |
Bank 2 Fuel Control Shifted Rich |
|
P1155 |
Alternative Fuel Controller |
|
P1156 |
Fuel Selector Switch Circuit |
Wiring, fuel injector control module, ECM |
P1157 |
Lack of O2 Switches Bank 2 Sensor 2 Indicates Lean |
Wiring, exhaust system leaking, H02S |
P1158 |
Lack of O2 Switches Bank 2 Sensor 2 Indicates Lean |
|
P115E |
Engine control module (ECM) -data transmission fault |
Throttle position (TP), wiring, ECM |
P1168 |
Fuel Rail Pressure Sensor Condition Low Pressure |
Wiring, fuel level, low fuel pressure, fuel rail pressure sensor |
P1169 |
Fuel Rail Sensor In-Range High Failure |
Wiring, high fuel pressure, fuel rail pressure sensor |
P1170 |
Engine Shut Off Solenoid Fault |
|
P1171 |
Rotor Sensor Fault |
|
P1172 |
Rotor Control Fault |
|
P1173 |
Rotor Calibration Fault |
|
P1174 |
Cam Sensor Fault |
|
P1175 |
Cam Control Fault |
|
P1176 |
Cam Calibration Fault |
|
P1177 |
Synchronization Fault |
|
P117A |
Engine control module (ECM) -engine oil temperature |
Engine overheated, wiring, ECM |
P1180 |
Fuel Delivery System Malfunction Low |
|
P1181 |
Fuel Delivery System Malfunction High |
|
P1183 |
Engine Oil Temperature Sensor Circuit Malfunction |
|
P1184 |
Engine Oil Temperature Out Of Self Test Range |
Wiring, EOT sensor, ECM |
P1185 |
FTS High Fuel Pump Temperature Sensor High |
|
P1186 |
Fuel Pump Temperature Sensor Low |
|
P1187 |
Variant Selection |
|
P1188 |
Calibration Memory Fault |
|
P1189 |
Pump Speed Signal Fault |
|
P1190 |
Calibration Resistor Out Of Range |
|
P1191 |
Key Line Voltage |
|
P1192 |
Voltage External |
|
P1193 |
EGR Drive Overcurrent |
|
P1194 |
Engine Control Unit A/D Converter |
|
P1195 |
SCP HBCC Failed To Initialize |
|
P1196 |
Key Off Voltage High |
|
P1197 |
Key Off Voltage Low |
|
P1198 |
Pump Rotor Control Underfueling |
|
P1209 |
Injector Control Pressure System Fault |
Oil quality, oil level, oil pressure too high/low, low fuel pressure, fuel pressure regulator control solenoid |
P1210 |
Injector Control Pressure Above Expected Level |
Wiring, fuel pressure sensor, ECM |
P1211 |
Injector Control Pressure Sensor Above / Below Desired |
Oil quality, oil level, oil pressure too highllow, low fuel pressure, fuel pressure regulator control solenoid |
P1212 |
Injector Control Pressure Not Detected During Crank |
Oil quality, oil level, oil pressure too highllow, low fuel pressure, fuel pressure sensor, fuel pressure regulator |
P1213 |
Start Injector Circuit Malfunction |
|
P1214 |
Pedal Position Sensor 'B' Circuit Intermittent |
|
P1215 |
Pedal Position Sensor 'C' Circuit Low Input |
|
P1216 |
Pedal Position Sensor 'C' Circuit High Input |
|
P1217 |
Pedal Position Sensor 'C' Circuit Intermittent |
|
P1218 |
CID High |
Injector control module, ECM |
P1219 |
CID Stuck Low |
Injector control module, ECM |
P1220 |
Series Throttle Control Fault Detected |
|
P1221 |
Traction Control System Malfunction |
|
P1222 |
Traction Control Output Circuit Malfunction |
|
P1223 |
Pedal Demand Sensor B Circuit High Input |
|
P1224 |
Throttle Position Sensor 'B' Out of Self-Test Range |
|
P1227 |
Wastegate Failed Closed Over Pressure |
EGR valve, MAF sensor, SC wastegate actuator, SC |
P1228 |
Wastegate Failed Open Under Pressure |
EGR valve, MAF sensor, SC wastegate actuator,SC |
P1229 |
Supercharger Intercooler Pump Not Operating Condition |
Wiring, SC intercooler pump, SC intercooler pump relay, ECM |
P1230 |
Low Speed Fuel Pump Fault Condition |
|
P1231 |
High Speed Fuel Pump Relay Activated |
|
P1232 |
Low Speed Fuel Pump Primary Circuit Failure |
Wiring, low speed fuel pump relay, ECM |
P1233 |
Fuel Pump Driver Module Disabled Or Off Line |
Wiring, IFS switch, fuel pump, fuel pump control module, ECM |
P1234 |
Fuel Pump Driver Module Disabled Or Off Line |
Wiring, IFS switch, fuel pump, fuel pump control module, ECM |
P1235 |
Fuel Pump Control Out of Range |
Wiring, fuel pump, fuel pump control module, ECM |
P1236 |
Fuel Pump Control Out of Range |
Wiring, fuel pump, fuel pump control module, ECM |
P1237 |
Fuel Pump Secondary Circuit Fault |
Wiring, fuel pump, fuel pump relay, fuel pump control module |
P1238 |
Fuel Pump Secondary Circuit Fault |
Wiring, fuel pump, fuel pump relay, fuel pump control module |
P1239 |
Speed Fuel Pump Positive Feed Fault |
|
P1243 |
Second Fuel Pump Faulty or Ground Fault |
|
P1244 |
Alternator Load Input Failed High |
Wiring, alternator, ECM |
P1245 |
Alternator Load Input Failed Low |
Wiring, drive belt, alternator, ECM |
P1246 |
Alternator Load Input Failed |
Wiring, alternator, drive belt, ECM |
P1247 |
Turbo Boost Pressure Low |
Wiring, hoses, MAP sensor, ECM |
P1248 |
Turbo Boost Pressure Not Detected |
Wiring, hoses, MAP sensor, ECM |
P1249 |
Wastegate Control Valve Performance |
Wiring, hoses, TC wastegate regulating valve, TC wastegate actuator, ECM |
P1250 |
Lack Of Power To Fuel Pressure Regulator Control Solenoid |
|
P1252 |
Fuel Pressure Control Solenoid Valve 2 Malfunction |
|
P1253 |
Pedal Correlation PDS1 and LPDS Low |
|
P1254 |
Pedal Correlation PDS2 and LPDS High |
|
P1255 |
Pedal Correlation PDS2 and LPDS Low |
|
P1256 |
Pedal Correlation PDS1 and HPDS |
|
P1257 |
Pedal Correlation PDS2 and HPDS |
|
P1258 |
Pedal Correlation PDS1 and PDS2 |
|
P1260 |
Theft Detected - Vehicle Immobilized |
|
P1261 |
Cylinder #1 High To Low Side Short |
Wiring short circuit |
P1262 |
Cylinder #2 High To Low Side Short |
Wiring short circuit |
P1263 |
Cylinder #3 High To Low Side Short |
Wiring short circuit |
P1264 |
Cylinder #4 High To Low Side Short |
Wiring short circuit |
P1265 |
Cylinder #5 High To Low Side Short |
Wiring short circuit |
P1266 |
Cylinder #6 High To Low Side Short |
Wiring short circuit |
P1267 |
Cylinder #7 High To Low Side Short |
Wiring short circuit |
P1268 |
Cylinder #8 High To Low Side Short |
Wiring short circuit |
P1270 |
Engine RPM Or Speed Limiter Reached |
Engine over revved in neutral, wheel slippage |
P1271 |
Cylinder #1 High To Low Side Open |
Wiring open circuit |
P1272 |
Cylinder #2 High To Low Side Open |
Wiring open circuit |
P1273 |
Cylinder #3 High To Low Side Open |
Wiring open circuit |
P1274 |
Cylinder #4 High To Low Side Open |
Wiring open circuit |
P1275 |
Cylinder #5 High To Low Side Open |
Wiring open circuit |
P1276 |
Cylinder #6 High To Low Side Open |
Wiring open circuit |
P1277 |
Cylinder #7 High To Low Side Open |
Wiring open circuit |
P1278 |
Cylinder #8 High To Low Side Open |
Wiring open circuit |
P1280 |
Injection Control Pressure Out Of Range Low |
|
P1281 |
Injection Control Pressure Out Of Range High |
|
P1282 |
Excessive Injection Control Pressure |
Wiring, fuel pressure regulator control solenoid |
P1283 |
Fuel pressure regulator control solenoid -circuit malfunction |
Wiring open circuit/short circuit to positive |
P1284 |
Self-test not complete -fuel pressure sensor failure |
Wiring, fuel pressure sensor, ECM |
P1285 |
Cylinder Head Over Temperature Condition |
Wiring, cooling system fault, CHT sensor |
P1286 |
Fuel Pulse In Range But Lower Than Expected |
|
P1287 |
Fuel Pulse In Range But Higher Than Expected |
|
P1288 |
Cylinder Head Temperature Sensor Out of Self-Test Range |
Wiring, cooling system fault, CHT sensor |
P1289 |
Cylinder Head Temperature Sensor Signal Greater Than Self-Test Range |
Wiring, cooling system fault, CHT sensor |
P128A |
Engine control module (ECM)/cylinder head temperature (CHT) sensor -high input |
Wiring, CHT sensor, ECM |
P1290 |
Cylinder Head Temperature Sensor Signal Less Than Self-Test Range |
Wiring, cooling system fault, CHT sensor |
P1291 |
Injector High Side Short To GND Or VBATT Bank 1 |
High side short circuit to ground/positive, injector(s), injector control module |
P1292 |
Injector High Side Short To GND Or VBATT - Bank 2 |
High side short circuit to ground/positive, injector(s), injector control module |
P1293 |
High Side Open Bank No. 1 |
High side open circuit, injector(s), injector control module |
P1294 |
High Side Open Bank No. 2 |
High side open circuit, injector(s), injector control module |
P1295 |
Multi-Faults Bank 1 With Low Side Shorts |
Wiring short circuit to ground, injector control module |
P1296 |
Multi-Faults Bank 2 With Low Side Shorts |
Wiring short circuit to ground, injector control module |
P1297 |
Injector High Sides Shorted Together |
Wiring short circuit, injector control module |
P1298 |
Injector control module -internal fault |
Injector control module |
P1299 |
Cylinder Head Temperature Sensor Detected Engine Overheating Condition |
Wiring, cooling system fault, CHT sensor |
P1300 – P1399 (Ignition system or misfire) |
P1300 |
Boost Pressure Malfunction |
|
P1301 |
Boost Pressure Pressure High |
|
P1302 |
Boost Pressure Pressure Low |
|
P1303 |
EGR Calibration Fault |
|
P1304 |
EGR Calibration High |
|
P1305 |
EGR Calibration Low |
|
P1306 |
Kickdown Relay Pull In Circuit Fault |
|
P1307 |
Kickdown Relay Hold Circuit Fault |
|
P1308 |
A/C Clutch Circuit Fault |
|
P1309 |
Misfire Detection Monitor Not enabled |
CMP sensor, CKP sensor, ECT sensor, MAF sensor, ECM |
P1316 |
Ignition Driver Monitor Codes Detected |
Wiring, injector control module, ECM |
P1317 |
Ignition Driver Monitor Codes Not Updated |
|
P1330 |
Injector Control Pressure |
|
P1331 |
Turbocharger / Supercharger Boost Pressure Control Open Circuit |
|
P1332 |
Turbocharger / Supercharger Boost Pressure Control Circuit Low |
|
P1334 |
Exhaust gas recirculation (EGR)/throttle position sensor -range/performance problem |
Wiring, EGRlthrottle position sensor, ECM |
P1335 |
EGR Position Sensor Minimum Stop Performance |
Hose leak/blockage, wiring, EGR valve position sensor, ECM |
P1336 |
Crankshaft Position Or Camshaft Position Sensor Input Signal Error |
Wiring, CMP sensor, CKP sensor, ECM |
P1340 |
Camshaft Position Sensor 'B' Circuit Malfunction |
|
P1349 |
Fuel Level Sensor 'B' Circuit High Input |
|
P1351 |
Ignition Diagnostic Monitor Circuit Input Fault |
|
P1352 |
Ignition Coil 'A' Primary Circuit |
|
P1353 |
Ignition Coil 'B' Primary Circuit |
|
P1354 |
Ignition Coil 'C' Primary Circuit |
|
P1355 |
Ignition Coil 'D' Primary Circuit |
|
P1356 |
Loss Of Ignition Diagnostic Module Input To PCM |
|
P1357 |
Ignition Diagnostic Monitor Pulsewidth Not Defined |
|
P1358 |
Ignition Diagnostic Monitor Signal Out of Self-Test Range |
|
P1359 |
Spark Output Circuit Fault |
|
P1360 |
Ignition Coil 'A' Secondary Circuit Malfunction |
|
P1361 |
Ignition Coil 'B' Secondary Circuit Malfunction |
|
P1362 |
Ignition Coil 'C' Secondary Circuit Malfunction |
|
P1363 |
Ignition Coil 'D' Secondary Circuit Malfunction |
|
P1364 |
Ignition Coil Primary Circuit Fault |
|
P1365 |
Ignition Coil Secondary Circuit Failure |
|
P1369 |
Engine Temperature Light Monitor Failure |
|
P1378 |
Fuel Injection Control Module Circuit Low Voltage |
Fuse, wiring, FICM relay |
P1379 |
Fuel Injection Control Module Circuit High Voltage |
Wiring, alternator, ECM |
P1380 |
Variable Cam Timing Solenoid 'A' Circuit Condition |
Wiring, CMP actuator, ECM |
P1381 |
Variable Cam Timing Over Advance Bank 1 |
Wiring, timing belt/chain, CMP actuator, low oil pressure |
P1383 |
Variable Cam Timing Over Retarded Bank 1 |
Wiring, timing belt/chain, CMP actuator |
P1385 |
Variable Cam Timing Solenoid 'B' Malfunction |
Wiring, CMP actuator, ECM |
P1386 |
Variable Cam Timing Over Advance Bank 2 |
Wiring, timing belt/chain, CMP actuator, low oil pressure |
P1388 |
Variable Cam Timing Over Retarded Bank 2 |
Wiring, timing belt/chain, CMP actuator |
P1389 |
Glow Plug Circuit High Side Low Input |
|
P138B |
Glow Plug Control Module System Voltage |
|
P1390 |
Octane Adjust Out of Self-Test Range |
|
P1391 |
Glow Plug Circuit Low Input Bank 1 |
|
P1392 |
Glow Plug Circuit High Input Bank 1 |
|
P1393 |
Glow Plug Circuit Low Input Bank 2 |
|
P1394 |
Glow Plug Circuit High Input Bank 2 |
|
P1395 |
Glow Plug Monitor Fault Bank 1 |
|
P1396 |
Glow Plug Monitor Fault Bank 2 |
|
P1397 |
System Voltage Out Of Self Test Range |
Wiring, battery, alternator |
P1399 |
Glow Plug Circuit High Side High Input |
|
P1400 – P1499 (Emission control) |
P1400 |
Differential Pressure Feedback Electronic Sensor Circuit Low Voltage |
Wiring, EGR pressure sensor, ECM |
P1401 |
DPFE Sensor Circuit High |
Wiring, EGR pressure sensor, ECM |
P1402 |
EGR Metering Orifice Restricted |
|
P1403 |
Differential Pressure Feedback Electronic Sensor Hoses Reversed |
|
P1404 |
EGR Valve Stuck Closed |
|
P1405 |
DPF EGR Sensor Circuit High Voltage Detected |
EGR hoses |
P1406 |
DPFE Sensor Circuit Downstream Hose |
EGR hoses |
P1407 |
Exhaust Gas Recirculation Flow Out Of Self-Test Range |
|
P1408 |
EGR Flow Out Of Self-Test Range |
Wiring, EGR hoses, EGR valve, EGR solenoid,ECM |
P1409 |
EGR Vacuum Regulator Solenoid Circuit Malfunction |
Wiring, EGR solenoid, ECM |
P1410 |
EGR Barometric Pressure Sensor VREF Voltage |
|
P1411 |
Secondary Air Injection Downstream Flow |
AIR hoses, AIR pump, AIR solenoid |
P1413 |
Secondary Air Injection System Monitor Circuit Low Voltage |
Wiring, AIR solenoid, AIR pump, ECM |
P1414 |
Secondary Air Injection System Monitor Circuit High Voltage |
Wiring, AIR solenoid, ECM |
P1420 |
Catalyst Temperature Sensor |
|
P1421 |
Catalyst Damage |
|
P1422 |
Exhaust Gas Ignition Temperature Sensor |
|
P1431 |
Misfire Monitor Disabled Unable to Learn Trigger Wheel Profile |
|
P1432 |
Thermostat Heater Control Circuit Failure |
Wiring, engine thermostat heater, ECM |
P1433 |
A/C Refrigerant Temperature Circuit Low |
|
P1434 |
A/C Refrigerant Temperature Circuit High |
|
P1435 |
A/C Refrigerant Temperature Circuit Range/Performance |
|
P1436 |
A/C Evaporator Air Temperature Circuit Low |
Wiring, AlC evaporator temperature sensor, ECM |
P1437 |
A/C Evaporator Air Temperature Circuit High |
Wiring, AlC evaporator temperature sensor, ECM |
P1438 |
A/C Evaporator Air Temperature Circuit Range/Performance |
|
P1442 |
EVAP System Small Leak Detected |
|
P1443 |
EVAP Control System Purge Control Solenoid or Purge Control Valve Fault |
Wiring, EVAP system hoses, EVAP canister,EVAP canister purge valve |
P1444 |
Purge Flow Sensor Circuit Input Low |
|
P1445 |
Purge Flow Sensor Circuit High Condition |
|
P1449 |
EVAP System Unable To Hold Vacuum |
|
P1450 |
Unable to Bleed Up Bleed Fuel Tank Vacuum |
Wiring, EVAP system hoses, EVAP canister purge valve, fuel filler cap blocked |
P1451 |
EVAP Control System Canister Vent Solenoid Circuit Malfunction |
Wiring, EVAP canister purge valve, ECM |
P1452 |
Unable To Bleed Up Fuel Tank Vacuum |
|
P1455 |
Exhaust Gas Temperature Sensor 1 Range/Performance |
|
P1457 |
Unable To Pull Vacuum In Tank |
|
P145E |
Positive crankcase ventilation (PCV) heatercircuit malfunction |
Wiring, PCV valve |
P1460 |
Wide Open Throttle Air Conditioning Cutoff Circuit Malfunction |
Wiring, WOT relay, ECM |
P1461 |
Air Conditioning Pressure Sensor Circuit High |
Wiring, AlC refrigerant pressure sensor, ECM |
P1462 |
Air Conditioning Pressure Sensor Circuit Low |
Wiring, AlC refrigerant pressure sensor, ECM |
P1463 |
Air Conditioning Pressure Sensor Insufficient Pressure Change |
Wiring, AlC system -mechanical fault, AlC refrigerant pressure sensor, AlC compressor clutch |
P1464 |
Air Conditioning Demand Out Of Self Test Range |
Wiring, AlC ON -during self-test, WOT relay (AlC cut-out), ECM |
P1465 |
Air Conditioning Relay Circuit Malfunction |
|
P1466 |
A/C Refrigerant Temperature Sensor/Circuit Malfunction |
|
P1469 |
Low Air Conditioning Cycling Period |
Wiring, AlC system -mechanical fault |
P1473 |
Fan Secondary High With Fans Off |
|
P1474 |
Low Fan Control Primary Circuit |
Wiring, engine coolant blower motor relay, ECM |
P1477 |
Medium Cooling Fan Control Primary Circuit Failure |
Wiring, engine coolant blower motor relay, ECM |
P1479 |
High Fan Control Primary Circuit |
Wiring, engine coolant blower motor relay, ECM |
P1480 |
Fan Secondary Low With Low Fans On |
|
P1481 |
Fan Secondary Low Eith High Fans On |
|
P1482 |
SCP |
|
P1483 |
Power to Cooling Fan Exceeded Normal Draw |
|
P1484 |
Open Power Ground To Variable Load Control Module |
|
P1485 |
Engine Gas Recirculation Valve Circuit Malfunction |
|
P1487 |
EGR Check Solenoid Circuit Failure |
|
P1489 |
PCV Heater Control Circuit Fault |
Wiring, crankcase breather heater |
P1500 – P1599 (Vehicle or idle speed control) |
P1500 |
Vehicle Speed Sensor |
Wiring, VSS, ECM |
P1501 |
Vehicle Speed Sensor Out Of Self Test Range |
Electro-magnetic interference |
P1502 |
Vehicle Speed Sensor Intermittent |
Wiring, VSS/ABS wheel speed sensors |
P1504 |
Intake Air Control Circuit Malfunction |
Wiring, lAC valve, ECM |
P1505 |
Idle Air Control System at Adaptive Clip |
|
P1506 |
Idle Air Control Overspeed Error |
Wiring, lAC valve, vacuum leaks, ECM |
P1507 |
Idle Air Control Under Speed Error |
Wiring, lAC valve, hose blocked, ECM |
P1512 |
Intake Manifold Runner Control Input Error Bank 1 |
Wiring, mechanical fault, ECM |
P1513 |
Intake Manifold Runner Control Stuck Closed Bank 2 |
Wiring, mechanical fault, ECM |
P1516 |
Intake Manifold Runner Control Input Error Bank 1 |
Wiring, mechanical fault |
P1517 |
Intake Manifold Runner Control Input Error Bank 2 |
Wiring, mechanical fault |
P1518 |
Intake Manifold Runner Control Fault Stuck Open |
Wiring, IMRC actuator, ECM |
P1519 |
Intake Manifold Runner Control Fault Stuck Closed |
Wiring, IMRC actuator, ECM |
P151A |
Intake manifold runner control (IMRC) module -malfunction |
Wiring, IMRC actuator, ECM |
P1520 |
Intake Manifold Runner Control Circuit Fault |
Wiring, mechanical fault, vacuum hoses, IMRC actuator, ECM |
P1530 |
Open or Short to A/C Compressor Clutch Circuit |
|
P1531 |
Invalid Test Accelerator Pedal Movement |
|
P1532 |
Intake Manifold Communication Control Circuit Bank 2 |
|
P1533 |
AAI Circuit Malfunction |
|
P1534 |
Inertia Switch Activated |
|
P1536 |
Parking Brake Switch Circuit Failure |
Wiring short circuit to ground/positive, wiring open circuit, low brake fluid |
P1537 |
Intake Manifold Runner Control Stuck Open Bank 1 |
Wiring, hoses blocked, mechanical fault, ECM |
P1538 |
Intake Manifold Runner Control Stuck Open Bank 2 |
Wiring, hoses blocked, mechanical fault, ECM |
P1539 |
Power to A/C Compressor Clutch Circuit Exceeded Normal Current Draw |
|
P1548 |
Engine Air Filter Restriction |
|
P1549 |
Intake Manifold Communication Control Circuit Malfunction |
Wiring, intake manifold air control solenoid, ECM |
P1550 |
Power Steering Pressure Sensor Malfunction |
Wiring, PSP sensor, ECM |
P1561 |
Brake Line Pressure Sensor Circuit |
|
P1565 |
Speed Control Command Switch Out of Range High |
Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
P1566 |
Speed Control Command Switch Out of Range Low |
Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
P1567 |
Speed Control Output Circuit Continuity |
Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
P1568 |
Speed Control Unable To Hold Speed |
Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
P1572 |
Brake Pedal Switch Circuit Malfunction |
Wiring, BPP switch, brake fluid pressure (BFP) switch, ECM |
P1573 |
Throttle Position Not Available |
|
P1574 |
Stop Lamp Switch Circuit |
|
P1575 |
Pedal Position Out of Self Test Range |
|
P1576 |
Accelerator Pedal Position Sensor Signal Malfunction |
|
P1577 |
Pedal Position Sensor Disagreement |
|
P1578 |
ETC Power Less Than Demand |
|
P1579 |
Electronic Throttle Control In Power Limiting Mode |
|
P1580 |
Electronic Throttle Monitor PCM Override |
|
P1581 |
Electronic Throttle Monitor Malfunction |
|
P1582 |
Electronic Throttle Monitor Data Available |
Airbag deployment |
P1583 |
Electronic Throttle Monitor Cruise Disable |
|
P1584 |
Throttle Control Unit Input Circuit Malfunction |
|
P1585 |
Throttle Control Unit Malfunction |
|
P1586 |
Throttle Control Unit Throttle Position Malfunction |
|
P1587 |
Throttle Control Unit Modulated Command Malfunction |
|
P1588 |
Throttle Control Unit Detected Loss of Return Spring |
|
P1589 |
Throttle Control Unit Unable To Control Desired Throttle Angle |
|
P1600 – P1699 (ECM – computer output circuit) |
P1600 |
Loss of KAM Power Open Circuit |
|
P1605 |
PCM Keep Alive Memory Test Error Conditions |
Wiring, battery terminal corrosion, loose battery connection, ECM |
P1608 |
Watchdog Malfunction |
|
P1610 |
Engine control module (ECM) |
Incorrect programming |
P1611 |
Engine control module (ECM) |
Incorrect programming |
P1615 |
Engine control module (ECM) |
Incorrect programming |
P1616 |
Engine control module (ECM) |
Incorrect programming |
P1617 |
Engine control module (ECM) |
Incorrect programming |
P1618 |
Engine control module (ECM) |
Incorrect programming |
P1625 |
Voltage to Vehicle Load Control Module Fan Circuit Not detected |
|
P1626 |
Voltage to Vehicle Load Control Module Circuit Not detected |
|
P1633 |
Keep Alive Power Voltage Too Low |
Wiring, ECM |
P1634 |
Data Output Link Circuit Failure |
|
P1635 |
Tire / Axle Ratio Out of Acceptable Range |
Incorrect tire size, incorrect axle ratio, incorrect vehicle 10 configuration |
P1636 |
Inductive Signature Chip Communication Error |
ECM |
P1639 |
Vehicle ID Block Corrupted or Not Programmed |
Incorrect vehicle 10 configuration, ECM |
P1640 |
Powertrain DTCs Available in Another Module |
P-codes stored in another control module |
P1641 |
Fuel Pump Driver Module Fault Conditions |
Wiring, fuel pump relay, fuel pump, ECM |
P1642 |
Fuel Pump Monitor Circuit High Input |
|
P1643 |
Fuel Pump Monitor Circuit Low Input |
|
P1644 |
Fuel Pump Speed Control Circuit Malfunction |
|
P1646 |
Linear O2 Sensor Control Chip Bank 1 |
Non OEM accessories, ECM programming, ECM |
P1647 |
Linear O2 Sensor Control Chip Bank 2 |
Non OEM accessories, ECM programming, ECM |
P1650 |
Power Steering Pressure Switch Out of Self-Test Range |
Wiring, PSP switch, steering wheel turned during self-test, ECM |
P1651 |
Power Steering Pressure Switch Input Malfunction |
Wiring, vehicle towed with engine running, PSP switch, OTC not erased, ECM |
P1656 |
CAN Link PCM Circuit Network |
|
P1657 |
Skip Shift 1 To 4 Upshift System Control Circuit |
|
P1660 |
Output Circuit Check Signal High |
|
P1661 |
Output Circuit Check Signal Low |
|
P1662 |
Injector control module relay -circuit malfunction |
Wiring, fuses, injector control module relay |
P1663 |
Fuel Demand Command Signal Circuit Malfunction |
Wiring open circuit/short circuit to ground, injector control module, ECM |
P1664 |
Injection Pump Control Module Faulty |
|
P1667 |
Cylinder identification -circuit malfunction |
Wiring open circuit/short circuit to ground, injector control module relay, injector control module,ECM |
P1668 |
Engine control module (ECM)/injector control module -communication error |
Wiring open circuit/short circuit to ground, injector control module relay, injector control module,ECM |
P1670 |
Electronic Feedback Signal Not Detected |
Wiring open circuit/short circuit to ground, injector control module relay, injector control module, ECM |
P1674 |
Control Module Software Corrupted |
Wiring, software incompatibility, ECM |
P1690 |
Wastegate Solenoid Circuit Malfunction |
Wiring open circuit/short circuit to ground, turbocharger (TC) wastegate control solenoid,ECM |
P1700 – P1799 (Transmission) |
P1700 |
Transmission System Problems |
|
P1701 |
Reverse Engagement Error Conditions |
|
P1702 |
Transmission range (TR) sensor -circuit intermittent |
Incorrect adjustment, wiring, TR sensor |
P1703 |
Brake On/Off Switch Out of Self-Test Range |
Wiring, brake pedal depressed during self-test, rear electronic module/lights control module, BPP switch, ECM |
P1704 |
Transmission System Conditions |
Incorrect adjustment, wiring, TR sensor |
P1705 |
Manual Lever Position Sensor Out of Self-Test Range |
Wiring, TR sensor |
P1706 |
High Vehicle Speed Observed in Park |
|
P1707 |
Transfer Case Neutral Indicator Hard Fault Present |
|
P1709 |
Park or Neutral Position Switch Out of Self-Test Range |
Wiring, PNP switch/CPP switch, ECM |
P1710 |
No Change In Transmission Fluid Temperature Signal |
|
P1711 |
Transmission Fluid Temperature Sensor Out of Self-Test Range |
Transmission not at normal operating temperature -repeat test |
P1712 |
Trans Torque Reduction Request Signal Malfunction |
|
P1713 |
Transmission System Conditions |
Wiring, TFT sensor |
P1714 |
Shift Solenoid 'A' Fault |
Wiring, SS, ECM/TCM |
P1715 |
Shift Solenoid 'B' Fault |
Wiring, SS, ECM/TCM |
P1716 |
Transmission System Conditions |
|
P1717 |
Transmission System Conditions |
|
P1718 |
Transmission System Conditions |
Wiring, TFT sensor |
P1719 |
Steering Sensor High Input |
|
P1720 |
Vehicle Speed Meter Circuit Malfunction |
|
P1721 |
Gear 1 Incorrect Ratio |
|
P1722 |
Gear 2 Incorrect Ratio |
|
P1723 |
Gear 3 Incorrect Ratio |
|
P1724 |
Gear 4 Incorrect Ratio |
|
P1725 |
Insufficient Engine Speed Increase During Self Test |
Repeat test |
P1726 |
Insufficient Engine Speed Decrease During Self Test |
Repeat test |
P1727 |
Transmission Slip Fault Conditions |
|
P1728 |
Transmission Slip Error |
TCC |
P1729 |
4x4 Low Switch Error |
Wiring, four wheel drive shift control module, ECM |
P1731 |
1-2 Shift Malfunction |
|
P1732 |
Engine Overspeed Malfunction |
|
P1733 |
Gearshift Load Control Malfunction |
|
P1740 |
Transmission System Conditions |
Wiring, TCC solenoid, ECM/TCM |
P1741 |
Torque Converter Clutch Control Error |
|
P1742 |
Torque Converter Clutch Solenoid Failed On Conditions |
|
P1743 |
Torque Converter Clutch Solenoid Failed On Conditions |
|
P1744 |
Torque Converter Clutch System Stuck in Off Position |
Wiring, TCC, TCM |
P1745 |
Line Pressure Too High For Too Long |
|
P1746 |
Electronic Pressure Control Solenoid Low Conditions |
Wiring, TFP solenoid, TCM, ECM |
P1747 |
Electronic Pressure Control Solenoid 'A' Short Circuit |
Wiring, TFP solenoid, ECM |
P1748 |
Electronic Pressure Control Malfunction |
|
P1749 |
Electronic Pressure Control Solenoid Failed Low Conditions |
|
P1751 |
Shift Solenoid 1 Performance Conditions |
|
P1754 |
Coast Clutch Solenoid Circuit Malfunction |
Wiring, coast clutch solenoid |
P1756 |
Shift Solenoid 2 Performance Conditions |
|
P1760 |
Transmission System Fault Conditions |
Wiring, TFP solenoid, TCM |
P1761 |
Shift Solenoid 3 Performance Conditions |
|
P1762 |
Overdrive Band Failed Off |
|
P1766 |
Shift Solenoid 'D' Performance |
|
P1767 |
Torque Converter Clutch Solenoid Circuit Malfunction |
|
P1768 |
Performance / Normal / Winter Mode Input Malfunction |
|
P1770 |
Overrun Clutch Solenoid Valve Malfunction |
|
P1771 |
Throttle Position Sensor Open Circuit |
|
P1772 |
Throttle Position Sensor Short Circuit |
|
P1779 |
Transmission Control Indicator Lamp Circuit Malfunction |
|
P1780 |
Transmission Control Switch Circuit is Out of Self-Test Range |
Wiring, transmission control switch, ECM |
P1781 |
4x4 Low Switch Out of Self-Test Range Conditions |
Wiring, four wheel drive shift control module, 4x4L switch, ECM |
P1782 |
P/ES Circuit Out Of Self Test Range |
|
P1783 |
Transmission Over-Temperature Condition |
Wiring, TFT sensor, TCM, ECM |
P1784 |
Transmission System First or Reverse Gear Fault Conditions |
|
P1785 |
Transmission System First or Second Gear Fault Conditions |
|
P1786 |
Transmission System Second or Third Gear Fault |
|
P1787 |
Transmission System Third or Fourth Gear Fault |
|
P1788 |
3-2 Timing/Coast Clutch Solenoid Circuit Open Conditions |
|
P1789 |
3-2 Timing/Coast Clutch Solenoid Circuit Shorted Conditions |
|
P1793 |
Ignition Supply Malfunction |
|
P1795 |
Idle Switch Circuit Malfunction |
|
P1797 |
Park/Neutral Position Switch Signal Malfunction |
|
P1804 |
Transmission 4-Wheel Drive High Indicator Circuit Failure |
|
P1806 |
Transmission 4-Wheel Drive High Indicator Short Circuit To Battery |
|
P1807 |
Transmission 4-Wheel Drive High Indicator Short Circuit To Ground |
|
P1808 |
Transmission 4-Wheel Drive Low Indicator Circuit Failure |
|
P1809 |
Transmission 4-Wheel Drive Low Indicator Open Circuit |
|
P1810 |
Transmission Fluid Pressure Valve Position Switch Circuit |
|
P1812 |
Transmission 4-Wheel Drive Mode Select Circuit Failure |
|
P1815 |
Transmission 4-Wheel Drive Mode Select Short Circuit To Ground |
|
P1819 |
Transmission Neutral Safety Switch Short Circuit To Ground |
|
P1820 |
Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure |
|
P1822 |
Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery |
|
P1824 |
Transmission 4-Wheel Drive Clutch Relay Circuit Failure |
|
P1826 |
Transmission 4-Wheel Drive Low Clutch Relay Circuit To Battery |
|
P1827 |
Transmission 4-Wheel Drive Low Clutch Relay Circuit To Ground |
|
P1828 |
Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure |
|
P1829 |
Transmission Transfer Case Counter Clockwise Shift Relay Coil Open Circuit |
|
P1830 |
Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Battery |
|
P1832 |
Transmission Transfer Case Differential Lock-Up Solenoid Circuit Failure |
|
P1834 |
Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To Battery |
|
P1838 |
Transmission Transfer Case Shift Motor Circuit Failure |
|
P1839 |
Transmission Transfer Case Shift Motor Open Circuit |
|
P1840 |
Transmission Transfer Case Shift Motor Short Circuit To Battery |
|
P1846 |
Transmission Transfer Case Contact Plate 'A' Circuit Failure |
|
P1848 |
Transmission Transfer Case Contact Plate 'A' Short Circuit To Battery |
|
P1849 |
Transmission Transfer Case Contact Plate 'A' Short Circuit To Ground |
|
P1850 |
Transmission Transfer Case Contact Plate 'B' Circuit Failure |
|
P1854 |
Transmission Transfer Case Contact Plate 'C' Circuit Failure |
|
P1855 |
Transmission Transfer Case Contact Plate 'C' Open Circuit |
|
P1856 |
Transmission Transfer Case Contact Plate 'C' Short Circuit To Battery |
|
P1857 |
Transmission Transfer Case Contact Plate 'C' Short Circuit To Ground |
|
P1858 |
Transmission Transfer Case Contact Plate 'D' Circuit Failure |
|
P1859 |
Transmission Transfer Case Contact Plate 'D' Open Circuit |
|
P1861 |
Transmission Transfer Case Contact Plate 'D' Short Circuit To Ground |
|
P1862 |
Transmission Transfer Case Contact Plate Power Circuit Failure |
|
P1863 |
Transmission Transfer Case Contact Plate Power Open Circuit |
|
P1865 |
Transmission Transfer Case Contact Plate Power Short To Ground |
|
P1866 |
Transmission Transfer Case System Concern Servicing Required |
|
P1867 |
Transmission Transfer Case Contact Plate General Circuit Failure |
|
P1869 |
Lamp Air Bag Warning Indicator Circuit Open or Short to Ground |
|
P1876 |
Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure |
|
P1877 |
Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To Battery |
|
P1878 |
Transmission Transfer Case Disengaged Solenoid Circuit Failure |
|
P1881 |
Engine Coolant Level Switch Circuit Failure |
|
P1882 |
Engine Coolant Level Switch Circuit Short to Ground |
|
P1883 |
Engine Coolant Level Switch Circuit Failure |
|
P1884 |
Engine Coolant Level Lamp Circuit Short to Ground |
|
P1889 |
Drive Train Axles Bearings Problem |
|
P1891 |
Transmission Transfer Case Contact Plate Ground Return Open Circuit |
|
P1900 – P1999 (Transmission) |
P1900 |
Output Shaft Speed Circuit Intermittent Malfunction |
Wiring, poor connection, OSS sensor, ECMITCM |
P1901 |
Turbine Shaft Speed Sensor Circuit Intermittent |
Wiring, poor connection, TSS sensor, ECMITCM |
P1902 |
Kickdown Solenoid Relay Control Circuit |
|
P1903 |
Kickdown Solenoid Circuit Low Voltage |
|
P1904 |
Kickdown Solenoid Circuit High Voltage |
|
P1908 |
Transmission Pressure Circuit Solenoid Open or Short to Ground |
|
P1909 |
Transmission Temperature Sensor Circuit Open or Shorted to Power Or Ground |
|
P1910 |
Reversing lamps -circuit malfunction |
Wiring, reverse gear position switch, ECM |
P1919 |
Engine Coolant Temperature Signal |
|
P1922 |
Fuel Additive Level Circuit Malfunction |
|
P1924 |
Fuel Additive Level Circuit Low |
|
P1925 |
Fuel Additive Level Circuit High |
|
P1926 |
Fuel Additive Level Circuit Range/Performance |
|
P1927 |
Fuel Additive Level Too Low/Empty |
|
P1928 |
Fuel Additive Level Pump Control Circuit/Open |
|
P1929 |
Fuel Additive Level Pump Control Circuit Performance |
|
P1930 |
Fuel Additive Level Too Low/Empty |
|
P1931 |
Fuel Additive Pump Control Circuit/Open |
|
P1932 |
Fuel Additive Pump Control Circuit Performance |
|
P1933 |
Fuel Additive Pump Control Circuit Low |
|
P1934 |
Fuel Additive Pump Control Circuit High |
|
P1935 |
Fuel Additive Level Low |
|
P1936 |
Fuel Level Signal |
|
P1937 |
Vehicle Speed Signal |
|
P1938 |
Brake Switch/Sensor Signal |
|
P1939 |
Clutch Switch/Sensor Signal |
|
U2023 |
Fault received from external node |