Diagnostic Code Index
WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B10B3 | CABIN HEATER 1 CONTROL CIRCUIT |
| B10B7 | CABIN HEATER 2 CONTROL CIRCUIT |
| B1138 | CABIN HEATER 3 CONTROL CIRCUIT LOW |
| B1139 | CABIN HEATER 3 CONTROL CIRCUIT HIGH |
| B113A | CABIN HEATER 3 CONTROL CIRCUIT OPEN |
| B1C32 | AIRBAG DEPLOYMENT DETECTED |
| P0001 | FUEL QUANTITY CONTROL CIRCUIT/OPEN |
| P0003 | FUEL QUANTITY CONTROL CIRCUIT LOW |
| P0004 | FUEL QUANTITY CONTROL CIRCUIT HIGH |
| P0030 | O2 SENSOR 1/1 HEATER CIRCUIT |
| P0031 | O2 SENSOR 1/1 HEATER CIRCUIT LOW |
| P0032 | O2 SENSOR 1/1 HEATER CIRCUIT HIGH |
| P0045 | TURBOCHARGER BOOST CONTROL CIRCUIT/OPEN |
| P0046 | TURBOCHARGER BOOST CONTROL CIRCUIT PERFORMANCE |
| P0047 | TURBOCHARGER BOOST CONTROL CIRCUIT LOW |
| P0048 | TURBOCHARGER BOOST CONTROL CIRCUIT HIGH |
| P0069 | MANIFOLD PRESSURE/BAROMETRIC PRESSURE CORRELATION |
| P006D | BAROMETRIC PRESSURE - INLET AIR PRESSURE CORRELATION |
| P0070 | AMBIENT AIR TEMPERATURE SENSOR STUCK |
| P0071 | AMBIENT AIR TEMPERATURE SENSOR PERFORMANCE |
| P0072 | AMBIENT AIR TEMPERATURE SENSOR CIRCUIT LOW |
| P0073 | AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH |
| P0087 | FUEL RAIL PRESSURE TOO LOW |
| P0088 | FUEL RAIL PRESSURE TOO HIGH |
| P0089 | FUEL PRESSURE 1 CONTROL PERFORMANCE |
| P0090 | FUEL PRESSURE 1 CONTROL CIRCUIT/OPEN |
| P0091 | FUEL PRESSURE 1 CONTROL CIRCUIT LOW |
| P0092 | FUEL PRESSURE 1 CONTROL CIRCUIT HIGH |
| P0100 | MASS AIR FLOW SENSOR |
| P0101 | MASS AIR FLOW SENSOR SENSITIVITY PLAUSIBILITY |
| P0102 | MASS AIR FLOW SENSOR CIRCUIT LOW |
| P0103 | MASS AIR FLOW SENSOR CIRCUIT HIGH |
| P0111 | INTAKE AIR TEMP/AMBIENT AIR TEMP PLAUSIBILITY |
| P0112 | INTAKE AIR TEMPERATURE SENSOR CIRCUIT LOW |
| P0113 | INTAKE AIR TEMPERATURE SENSOR CIRCUIT HIGH |
| P0116 | ENGINE COOLANT TEMPERATURE SENSOR PERFORMANCE |
| P0117 | ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT LOW |
| P0118 | ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT HIGH |
| P0128 | COOLANT TEMPERATURE PLAUSIBILITY |
| P012C | TURBO INLET AIR PRESSURE SENSOR CIRCUIT LOW |
| P012D | TURBO INLET AIR PRESSURE SENSOR CIRCUIT HIGH |
| P0130 | O2 SENSOR 1/1 CIRCUIT OPEN |
| P0131 | O2 SENSOR 1/1 CIRCUIT LOW |
| P0132 | O2 SENSOR 1/1 CIRCUIT HIGH |
| P0134 | O2 SENSOR 1/1 SIGNAL INACTIVE |
| P0135 | O2 SENSOR 1/1 HEATER PERFORMANCE |
| P0182 | FUEL TEMPERATURE SENSOR CIRCUIT LOW |
| P0183 | FUEL TEMPERATURE SENSOR CIRCUIT HIGH |
| P0191 | FUEL PRESS SENSOR AFTERRUN NEGATIVE PLAUSIBILITY |
| P0192 | FUEL RAIL PRESSURE SENSOR LOW |
| P0193 | FUEL RAIL PRESSURE SENSOR HIGH |
| P0195 | ENGINE OIL TEMPERATURE SENSOR CIRCUIT PLAUSIBILITY |
| P0196 | ENGINE OIL TEMPERATURE SENSOR CIRCUIT PLAUSIBILITY AFTER COOLDOWN |
| P0197 | ENGINE OIL TEMPERATURE SENSOR CIRCUIT LOW |
| P0198 | ENGINE OIL TEMPERATURE SENSOR CIRCUIT HIGH |
| P0201 | FUEL INJECTOR 1 CIRCUIT/OPEN |
| P0202 | FUEL INJECTOR 2 CIRCUIT/OPEN |
| P0203 | FUEL INJECTOR 3 CIRCUIT/OPEN |
| P0204 | FUEL INJECTOR 4 CIRCUIT/OPEN |
| P0205 | FUEL INJECTOR 5 CIRCUIT/OPEN |
| P0206 | FUEL INJECTOR 6 CIRCUIT/OPEN |
| P0234 | TURBOCHARGER OVERBOOST CONDITION |
| P0237 | TURBO BOOST PRESSURE SENSOR CIRCUIT LOW |
| P0238 | TURBO BOOST PRESSURE SENSOR CIRCUIT HIGH |
| P0261 | FUEL INJECTOR 1 CIRCUIT LOW |
| P0262 | FUEL INJECTOR 1 CIRCUIT HIGH |
| P0263 | CYLINDER 1 CONTRIBUTION/BALANCE |
| P0264 | FUEL INJECTOR 2 CIRCUIT LOW |
| P0265 | FUEL INJECTOR 2 CIRCUIT HIGH |
| P0266 | CYLINDER 2 CONTRIBUTION/BALANCE |
| P0267 | FUEL INJECTOR 3 CIRCUIT LOW |
| P0268 | FUEL INJECTOR 3 CIRCUIT HIGH |
| P0269 | CYLINDER 3 CONTRIBUTION/BALANCE |
| P0270 | FUEL INJECTOR 4 CIRCUIT LOW |
| P0271 | FUEL INJECTOR 4 CIRCUIT HIGH |
| P0272 | CYLINDER 4 CONTRIBUTION/BALANCE |
| P0273 | CYLINDER 5 INJECTOR CIRCUIT LOW |
| P0274 | CYLINDER 5 INJECTOR CIRCUIT HIGH |
| P0275 | CYLINDER 5 CONTRIBUTION/BALANCE |
| P0276 | CYLINDER 6 INJECTOR CIRCUIT LOW |
| P0277 | CYLINDER 6 INJECTOR CIRCUIT HIGH |
| P0278 | CYLINDER 6 CONTRIBUTION/BALANCE |
| P0299 | TURBOCHARGER UNDERBOOST CONDITION |
| P0300 | MULTIPLE CYLINDER MISFIRE |
| P0301 | CYLINDER 1 MISFIRE |
| P0302 | CYLINDER 2 MISFIRE |
| P0303 | CYLINDER 3 MISFIRE |
| P0304 | CYLINDER 4 MISFIRE |
| P0305 | CYLINDER 5 MISFIRE |
| P0306 | CYLINDER 6 MISFIRE |
| P0335 | CRANKSHAFT POSITION SENSOR CIRCUIT |
| P0336 | CRANKSHAFT POSITION SENSOR PERFORMANCE |
| P0340 | CAMSHAFT POSITION SENSOR CIRCUIT |
| P0341 | CAMSHAFT POSITION SENSOR PERFORMANCE |
| P0401 | EGR SYSTEM PERFORMANCE |
| P0402 | EGR EXCESSIVE FLOW DETECTED |
| P0403 | EGR SOLENOID CIRCUIT OPEN |
| P0407 | EGR AIR FLOW THROTTLE POSITION SENSOR CIRCUIT LOW |
| P0408 | EGR AIR FLOW THROTTLE POSITION SENSOR CIRCUIT HIGH |
| P0426 | CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 1 |
| P0460 | FUEL LEVEL SENSOR 1 CIRCUIT |
| P0461 | FUEL LEVEL SENSOR 1 PERFORMANCE |
| P0462 | FUEL LEVEL SENSOR 1 LOW CIRCUIT |
| P0463 | FUEL LEVEL SENSOR 1 HIGH CIRCUIT |
| P0471 | EXHAUST PRESSURE SENSOR 1 PERFORMANCE |
| P0472 | EXHAUST PRESSURE SENSOR 1 LOW |
| P0473 | EXHAUST PRESSURE SENSOR 1 HIGH |
| P0480 | COOLING FAN 1 CONTROL CIRCUIT/OPEN |
| P0481 | COOLING FAN 2 CONTROL CIRCUIT/OPEN |
| P0487 | EGR AIR FLOW THROTTLE CONTROL CIRCUIT A OPEN |
| P0488 | EGR AIR FLOW THROTTLE CONTROL CIRCUIT PERFORMANCE |
| P0489 | EGR CONTROL CIRCUIT LOW |
| P0490 | EGR CONTROL CIRCUIT HIGH |
| P0504 | BRAKE SWITCH SIGNAL CIRCUITS PLAUSIBILITY WITH REDUNDANT CONTACT |
| P0513 | INVALID SKIM KEY |
| P0522 | ENGINE OIL PRESSURE SENSOR CIRCUIT LOW |
| P0523 | ENGINE OIL PRESSURE SENSOR CIRCUIT HIGH |
| P0524 | ENGINE OIL PRESSURE IS TOO LOW |
| P053A | CRANKCASE VENT HEATER CONTROL CIRCUIT OPEN |
| P053B | CRANKCASE VENT HEATER CONTROL CIRCUIT LOW |
| P053C | CRANKCASE VENT HEATER CONTROL CIRCUIT HIGH |
| P0544 | EXHAUST GAS TEMPERATURE SENSOR CIRCUIT - BANK 1 SENSOR 1 |
| P0545 | EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW - BANK 1 SENSOR 1 |
| P0546 | EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH - BANK 1 SENSOR 1 |
| P0562 | ECM VOLTAGE TOO LOW |
| P0563 | ECM VOLTAGE TOO HIGH |
| P0578 | SPEED CONTROL SWITCH 1 STUCK |
| P0579 | SPEED CONTROL SWITCH 1 PERFORMANCE |
| P0580 | SPEED CONTROL SWITCH 1 CIRCUIT LOW |
| P0581 | SPEED CONTROL SWITCH 1 CIRCUIT HIGH |
| P0585 | SPEED CONTROL SWITCH 1/2 CORRELATION |
| P0590 | SPEED CONTROL SWITCH 2 STUCK |
| P0591 | SPEED CONTROL SWITCH 2 PERFORMANCE |
| P0592 | SPEED CONTROL SWITCH 2 CIRCUIT LOW |
| P0593 | SPEED CONTROL SWITCH 2 CIRCUIT HIGH |
| P0607 | ECU INTERNAL PERFORMANCE |
| P0610 | ECU VEHICLE OPTIONS MISMATCH |
| P0615 | STARTER CONTROL CIRCUIT/OPEN |
| P0616 | STARTER CONTROL CIRCUIT LOW |
| P0617 | STARTER CONTROL CIRCUIT HIGH |
| P0627 | FUEL PUMP CONTROL CIRCUIT OPEN |
| P0628 | FUEL PUMP CONTROL CIRCUIT LOW |
| P0629 | FUEL PUMP CONTROL CIRCUIT HIGH |
| P0638 | ELECTRONIC THROTTLE CONTROL (EGR AIRFLOW CONTROL VALVE) PERFORMANCE-BANK 1 |
| P0642 | SENSOR REFERENCE VOLTAGE 1 CIRCUIT LOW |
| P0643 | SENSOR REFERENCE VOLTAGE 1 CIRCUIT HIGH |
| P0645 | A/C CLUTCH CONTROL CIRCUIT OPEN |
| P0646 | A/C CLUTCH CONTROL CIRCUIT LOW |
| P0647 | A/C CLUTCH CONTROL CIRCUIT HIGH |
| P0652 | SENSOR REFERENCE VOLTAGE 2 CIRCUIT LOW |
| P0653 | SENSOR REFERENCE VOLTAGE 2 TOO HIGH |
| P065A | GENERATOR PERFORMANCE |
| P0671 | CYLINDER 1 GLOW PLUG CIRCUIT |
| P0672 | CYLINDER 2 GLOW PLUG CIRCUIT |
| P0673 | CYLINDER 3 GLOW PLUG CIRCUIT |
| P0674 | CYLINDER 4 GLOW PLUG CIRCUIT |
| P0675 | CYLINDER 5 GLOW PLUG CIRCUIT |
| P0676 | CYLINDER 6 GLOW PLUG CIRCUIT |
| P068A | ECM RELAY OFF TOO EARLY |
| P068B | ECM RELAY OFF TOO LATE |
| P0698 | SENSOR REFERENCE VOLTAGE 3 TOO LOW |
| P0699 | SENSOR REFERENCE VOLTAGE 3 TOO HIGH |
| P0700 | TRANSMISSION CONTROL SYSTEM (MIL REQUEST) |
| P0706 | TRANSMISSION RANGE SENSOR RATIONALITY |
| P0730 | INCORRECT GEAR RATIO |
| P0740 | TCC OUT OF RANGE |
| P0743 | TCC SOLENOID CIRCUIT |
| P0748 | MODULATOR PRESSURE SOLENOID CIRCUIT |
| P0753 | 1-2/4-5 SOLENOID CIRCUIT |
| P0758 | 2-3 SOLENOID CIRCUIT |
| P0763 | 3-4 SOLENOID CIRCUIT |
| P0778 | SHIFT PRESSURE SOLENOID CIRCUIT |
| P1200 | MULTIPLE INJECTOR FAILURE DETECTED |
| P1270 | INTAKE MANIFOLD RUNNER (SWIRL) PERFORMANCE |
| P1451 | DIESEL PARTICULATE FILTER SYSTEM PERFORMANCE |
| P1452 | DIFFERENTIAL PRESSURE SENSOR HOSE PERFORMANCE |
| P1453 | DIFFERENTIAL PRESSURE SENSOR HOSE BLOCKED |
| P1454 | DIFFERENTIAL PRESSURE SENSOR FLOW TOO HIGH |
| P1648 | GLOW PLUG MODULE INTERNAL |
| P1649 | GLOW PLUG MODULE POWER SUPPLY CIRCUIT |
| P1685 | SKIM SYSTEM |
| P2002 | DIESEL PARTICULATE FILTER EFFICIENCY BELOW THRESHOLD |
| P2008 | INTAKE MANIFOLD RUNNER (SWIRL) CONTROL CIRCUIT OPEN |
| P2009 | INTAKE MANIFOLD RUNNER (SWIRL) CONTROL CIRCUIT LOW |
| P2010 | INTAKE MANIFOLD RUNNER (SWIRL) CONTROL CIRCUIT HIGH |
| P2032 | EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW - BANK 1 SENSOR 2 |
| P2033 | EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH - BANK 1 SENSOR 2 |
| P2084 | EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 |
| P2121 | ACCELERATOR PEDAL POSITION SENSOR 1 PERFORMANCE |
| P2122 | ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT LOW |
| P2123 | ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT HIGH |
| P2127 | ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT LOW |
| P2128 | ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT HIGH |
| P2138 | ACCELERATOR PEDAL POSITION SENSOR 1/2 CORRELATION |
| P213A | EGR AIR FLOW THROTTLE CONTROL CIRCUIT B OPEN |
| P213C | EGR AIR FLOW THROTTLE CONTROL CIRCUIT B LOW |
| P213D | EGR AIR FLOW THROTTLE CONTROL CIRCUIT B HIGH |
| P2141 | EGR AIR FLOW THROTTLE CONTROL CIRCUIT A LOW |
| P2142 | EGR AIR FLOW THROTTLE CONTROL CIRCUIT A HIGH |
| P2146 | FUEL INJECTOR GROUP 1 SUPPLY VOLTAGE CIRCUIT OPEN |
| P2147 | FUEL INJECTOR GROUP 1 SUPPLY VOLTAGE CIRCUIT LOW |
| P2148 | FUEL INJECTOR GROUP 1 SUPPLY VOLTAGE CIRCUIT HIGH |
| P2149 | FUEL INJECTOR GROUP 2 SUPPLY VOLTAGE CIRCUIT OPEN |
| P2150 | FUEL INJECTOR GROUP 2 SUPPLY VOLTAGE CIRCUIT LOW |
| P2151 | FUEL INJECTOR GROUP 2 SUPPLY VOLTAGE CIRCUIT HIGH |
| P2231 | O2 SENSOR 1/1 SIGNAL CIRCUIT SHORTED TO HEATER CIRCUIT |
| P2237 | O2 SENSOR 1/1 PUMP CELL CURRENT CIRCUIT OPEN |
| P2238 | O2 SENSOR 1/1 PUMP CELL CURRENT CIRCUIT LOW |
| P2239 | O2 SENSOR 1/1 PUMP CELL CURRENT CIRCUIT HIGH |
| P2243 | O2 SENSOR 1/1 REFERENCE VOLTAGE CIRCUIT OPEN |
| P2244 | O2 SENSOR 1/1 REFERENCE VOLTAGE PERFORMANCE |
| P2245 | O2 SENSOR 1/1 REFERENCE VOLTAGE CIRCUIT LOW |
| P2246 | O2 SENSOR 1/1 REFERENCE VOLTAGE CIRCUIT HIGH |
| P2264 | WATER IN FUEL SENSOR CIRCUIT |
| P2269 | WATER IN FUEL CONDITION |
| P2280 | AIR FILTER RESTRICTION |
| P2299 | BRAKE PEDAL POSITION/ACCELERATOR PEDAL POSITION INCOMPATIBLE |
| P242F | DIESEL PARTICULATE FILTER RESTRICTION - ASH ACCUMULATION |
| P244B | DIESEL PARTICULATE FILTER DIFFERENTIAL PRESSURE TOO HIGH |
| P2453 | DIESEL PARTICULATE FILTER DIFFERENTIAL PRESSURE SENSOR CIRCUIT PERFORMANCE |
| P2454 | DIESEL PARTICULATE FILTER DIFFERENTIAL PRESSURE SENSOR CIRCUIT LOW |
| P2455 | DIESEL PARTICULATE FILTER DIFFERENTIAL PRESSURE SENSOR CIRCUIT HIGH |
| P2627 | O2 SENSOR 1/1 PUMP CELL CURRENT TRIM CIRCUIT LOW |
| P2628 | O2 SENSOR 1/1 PUMP CELL CURRENT TRIM CIRCUIT HIGH |
| P2A00 | O2 SENSOR 1/1 CIRCUIT PERFORMANCE |
| U0002 | CAN C BUS OFF PERFORMANCE |
| U0101 | LOST COMMUNICATION WITH TRANSMISSION CONTROL MODULE |
| U0103 | LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE |
| U0106 | LOST COMMUNICATION WITH GLOW PLUG CONTROL MODULE |
| U0114 | LOST COMMUNICATION WITH FINAL DRIVE CONTROL MODULE |
| U0121 | LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE |
| U0141 | LOST COMMUNICATION WITH FRONT CONTROL MODULE |
| U0402 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U0415 | IMPLAUSIBLE DATA RECEIVED FROM ABS |
| U0423 | IMPLAUSIBLE DATA RECEIVED FROM CCN |
| U0429 | IMPLAUSIBLE DATA RECEIVED FROM SCM |
| U1004 | CAN C BUS TRANSMIT PERFORMANCE |
| U1008 | LIN 1 BUS |
| U110A | LOST COMMUNICATION WITH SCM (SAS) |
| U1113 | LOST AC PRESSURE MESSAGE |
| U1132 | GENERATOR COMMUNICATION |
| U1421 | IMPLAUSIBLE IGNITION KEY OFF TIME RECEIVED |