FAULT CODES
| Code | Display On DRB-II | Fault Condition |
|---|
| 11 | NO REFERENCE SIGNAL DURING CRANKING | No distributor reference signal detected during cranking. |
| 13 (2) | NO CHANGE IN MAP FROM START TO RUN | No difference is recognized between engine MAP reading and barometric pressure reading at start-up |
| SLOW CHANGE IN IDLE MAP SIGNAL | No difference in MAP sensor signal is detected. |
| 14 (2) | MAP VOLTAGE TOO LOW | MAP sensor input less than minimum acceptable voltage. |
| MAP VOLTAGE TOO HIGH | MAP sensor input greater than maximum acceptable voltage. |
| 15 (3) | NO VEHICLE SPEED SIGNAL | No vehicle speed sensor signal detected. |
| 17 | ENGINE IS COLD TOO LONG | Coolant temperature less than normal operating temperature. |
| 21 (3) | O2 SIGNAL STAYS AT CENTER | No rich or lean signal is detected from O2 sensor input. |
| O2 SIGNAL SHORTED TO VOLTAGE | Oxygen sensor input voltage greater than normal operating range. |
| 22 (2) | COOLANT SENSOR VOLTAGE TOO LOW | Coolant temperature sensor input is low. |
| COOLANT SENSOR VOLTAGE TOO HIGH | Coolant temperature sensor input is high. |
| 23 | (4) THROTTLE BODY TEMP VOLTAGE LOW | Throttle body temperature sensor input voltage is low. |
| THROTTLE BODY TEMP VOLTAGE HIGH | Throttle body temperature sensor input voltage is high. |
| (2) CHARGE TEMPERATURE SENSOR VOLTAGE HIGH OR LOW | Charge temperature sensor input voltage is less than or greater than acceptable voltage. |
| 24 (2) | TPS VOLTAGE LOW | TPS sensor output voltage is less than acceptable voltage. |
| TPS VOLTAGE HIGH | TPS sensor output is greater than maximum acceptable voltage. |
| 25 (3) | AUTOMATIC IDLE SPEED MOTOR CIRCUITS | Shorted condition detected in one or more AIS actuator circuits. |
| 26 (2) | INJ 1 PEAK VOLTAGE NOT OBTAINED | High resistance in No. 1 injector circuit. |
| INJ 2 PEAK VOLTAGE NOT OBTAINED | High resistance in No. 2 injector circuit. |
| INJ 3 PEAK VOLTAGE NOT OBTAINED | High resistance in No. 3 injector circuit. |
| 27 | INJ 1 CONTROL CIRCUIT | Injector output driver does not respond correctly to control signal. |
| INJ 2 CONTROL CIRCUIT | Injector output driver does not respond correctly to control signal. |
| INJ 3 CONTROL CIRCUIT | Injector output driver does not respond correctly to control signal. |
| 31 (3) | PURGE SOLENOID CIRCUIT | Open or shorted condition detected in purge solenoid circuit. |
| 32 (3) | EGR SOLENOID CIRCUIT | Open or shorted condition detected in EGR solenoid circuit. |
| EGR SYSTEM FAILURE | Controller did not detect required air/fuel mixture change during diagnostic test (CA only). |
| 33 | A/C CLUTCH RELAY CIRCUIT | Open or shorted condition detected in A/C clutch relay circuit. |
| 34 | SPEED CONTROL SOLENOID CIRCUITS | Open or shorted condition detected in speed control vacuum or vent solenoid circuits. |
| 35 | (5) IDLE SWITCH SHORTED | Idle contact switch input circuit shorted to ground. |
| (5) IDLE SWITCH OPEN CIRCUIT | Idle contact switch input circuit open. |
| 36 | AIR SWITCHING SOLENOID CIRCUIT | Open or shorted condition detected in air switching solenoid circuit. |
| 37 | (6) TORQUE CONVERTER LOCK-UP SOLENOID CIRCUIT | Open or shorted condition detected in torque converter lockup solenoid circuit (A/T). |
| 41 (2) (7) | ALTERNATOR FIELD NOT SWITCHING | Alternator field not switching properly. |
| 42 | ASD RELAY CONTROL CIRCUIT | Open or shorted condition detected in ASD relay circuit. |
| NO ASD RELAY VOLTAGE SENSE AT SBEC | No ASD voltage sensed at controller. |
| 43 (3) | IGNITION COIL NO. 1 PRIMARY CIRCUIT | Peak primary current not obtained with maximum dwell. |
| IGNITION COIL NO. 2 PRIMARY CIRCUIT | Peak primary current not obtained with maximum dwell. |
| IGNITION COIL NO. 3 PRIMARY CIRCUIT | Peak primary current not obtained with maximum dwell. |
| 45 | OVERDRIVE SOLENOID CIRCUIT | Open or shorted condition detected in overdrive solenoid circuit. |
| 46 (2) | CHARGING SYSTEM VOLTAGE TOO HIGH | Charging system voltage is more than acceptable voltage. |
| 47 (2) | CHARGING SYSTEM VOLTAGE TOO LOW | Charging system voltage is less than acceptable voltage. |
| 51 (3) | O2 SIGNAL STAYS BELOW CENTER (LEAN) | O2 sensor signal stays lean. |
| ADDITIVE ADAPTIVE MEMORY AT RICH LIMIT | Additive adaptive memory at rich limit. |
| 52 (3) | O2 SIGNAL STAYS ABOVE CENTER (RICH) | O2 sensor signal stays rich. |
| ADDITIVE ADAPTIVE MEMORY AT LEAN LIMIT | Additive adaptive memory at lean limit. |
| 53 | INTERNAL CONTROLLER FAILURE | Internal failure in controller. |
| 54 (2) | NO SYNC PICK-UP SIGNAL | No fuel sync signal detected during engine rotation. |
| 55 | N/A | Completion of fault code display (CHECK ENGINE light). |
| 62 | CONTROLLER FAILURE EMR MILES NOT STORED | Controller failure, EMR miles not stored. |
| 63 | CONTROLLER FAILURE EEPROM WRITE DENIED | Controller failure, EEPROM write denied. |
| (1) Fault code application will vary with model and engine application. Not all fault codes are used on all models. (2) CHECK ENGINE light will be on. (3) CHECK ENGINE light will be on (CA models only). (4) Used on Dakota 5.2L and 5.9L. (5) Used on 3.9L, 5.2L and 5.9L. (6) On some models, this may be referred to as part throttle unlock solenoid. (7) See ALTERNATORS & REGULATORS article for test procedures. |
| (1) | Fault code application will vary with model and engine application. Not all fault codes are used on all models. |
| (2) | CHECK ENGINE light will be on. |
| (3) | CHECK ENGINE light will be on (CA models only). |
| (4) | Used on Dakota 5.2L and 5.9L. |
| (5) | Used on 3.9L, 5.2L and 5.9L. |
| (6) | On some models, this may be referred to as part throttle unlock solenoid. |
| (7) | See ALTERNATORS & REGULATORS article for test procedures. |
Note. The following trouble shooting charts and illustrations are courtesy of Chrysler Motors.
Schematic Test NS-1A Check For Faults & Spark. Scheme 354
Scheme 354: Schematic Test NS-1A Check For Faults & Spark
Test NS-1A (1 of 4) Check For Faults & Spark. Scheme 355
Scheme 355: Test NS-1A (1 of 4) Check For Faults & Spark
Test NS-1A (2 of 4) Check For Faults & Spark. Scheme 356
Scheme 356: Test NS-1A (2 of 4) Check For Faults & Spark
Test NS-1A (3 of 4) Check For Faults & Spark. Scheme 357
Scheme 357: Test NS-1A (3 of 4) Check For Faults & Spark
Test NS-1A (4 of 4) Check For Faults & Spark. Scheme 358
Scheme 358: Test NS-1A (4 of 4) Check For Faults & Spark
Test NS-2A (1 of 2) Fuel System Check. Scheme 359
Scheme 359: Test NS-2A (1 of 2) Fuel System Check
Test NS-2A (2 of 2) Fuel System Check. Scheme 360
Scheme 360: Test NS-2A (2 of 2) Fuel System Check
Test NS-3A (1 of 2) Spark Delivery & Engine Mechanical Check. Scheme 361
Scheme 361: Test NS-3A (1 of 2) Spark Delivery & Engine Mechanical Check
Test NS-3A (2 of 2) Spark Delivery & Engine Mechanical Check. Scheme 362
Scheme 362: Test NS-3A (2 of 2) Spark Delivery & Engine Mechanical Check
Test NS-4A Check Low Fuel Pressure Check. Scheme 363
Scheme 363: Test NS-4A Check Low Fuel Pressure Check
Test NS-4B (1 of 2) High Fuel Pressure Check. Scheme 364
Scheme 364: Test NS-4B (1 of 2) High Fuel Pressure Check
Test NS-4B (2 of 2) High Fuel Pressure Check. Scheme 365
Scheme 365: Test NS-4B (2 of 2) High Fuel Pressure Check
Schematic Test NS-5A Ignition Coil Check. Scheme 366
Scheme 366: Schematic Test NS-5A Ignition Coil Check
Test NS-5A (1 of 2) Ignition Coil Check. Scheme 367
Scheme 367: Test NS-5A (1 of 2) Ignition Coil Check
Test NS-5A (2 of 2) Ignition Coil Check. Scheme 368
Scheme 368: Test NS-5A (2 of 2) Ignition Coil Check
Schematic Test NS-6A Fuel Pump Check. Scheme 369
Scheme 369: Schematic Test NS-6A Fuel Pump Check
Test NS-6A Fuel Pump Check. Scheme 370
Scheme 370: Test NS-6A Fuel Pump Check
Schematic Test NS-7A No Response. Scheme 371
Scheme 371: Schematic Test NS-7A No Response
Test NS-7A (1 of 3) No Response. Scheme 372
Scheme 372: Test NS-7A (1 of 3) No Response
Test NS-7A (2 of 3) No Response. Scheme 373
Scheme 373: Test NS-7A (2 of 3) No Response
Schematic For Test NS-7A (3 of 3) No Response. Scheme 374
Scheme 374: Schematic For Test NS-7A (3 of 3) No Response
Test NS-7A (3 of 3) No Response. Scheme 375
Scheme 375: Test NS-7A (3 of 3) No Response
Test NS-7B (1 of 2) No Response. Scheme 376
Scheme 376: Test NS-7B (1 of 2) No Response
Test NS-7B (2 of 2) No Response. Scheme 377
Scheme 377: Test NS-7B (2 of 2) No Response
Test NS-7C (1 of 2) No Response. Scheme 378
Scheme 378: Test NS-7C (1 of 2) No Response
Test NS-7C (2 of 2) No Response. Scheme 379
Scheme 379: Test NS-7C (2 of 2) No Response
Schematic Test NS-8A No Reference Signal During Cranking. Scheme 380
Scheme 380: Schematic Test NS-8A No Reference Signal During Cranking
Test NS-8A No Reference Signal During Cranking. Scheme 381
Scheme 381: Test NS-8A No Reference Signal During Cranking
Test NS-8B No Reference Signal During Cranking. Scheme 382
Scheme 382: Test NS-8B No Reference Signal During Cranking
Test NS-8C No Reference Signal During Cranking. Scheme 383
Scheme 383: Test NS-8C No Reference Signal During Cranking
Test NS-9A (1 of 2) Auto Shutdown Relay Control Circuit. Scheme 384
Scheme 384: Test NS-9A (1 of 2) Auto Shutdown Relay Control Circuit
Test NS-9A (2 of 2) Auto Shutdown Relay Control Circuit. Scheme 385
Scheme 385: Test NS-9A (2 of 2) Auto Shutdown Relay Control Circuit
Schematic Test NS-10A No ASD Relay Voltage Sense At Controller. Scheme 386
Scheme 386: Schematic Test NS-10A No ASD Relay Voltage Sense At Controller
Test NS-10A No ASD Relay Voltage Sense At Controller. Scheme 387
Scheme 387: Test NS-10A No ASD Relay Voltage Sense At Controller
Test NS-11A (1 of 3 Fault in Injector Circuit. Scheme 388
Scheme 388: Test NS-11A (1 of 3 Fault in Injector Circuit
Test NS-11A (2 of 3) Fault in Injector Circuit. Scheme 389
Scheme 389: Test NS-11A (2 of 3) Fault in Injector Circuit
Test NS-11A (3 of 3) Fault in Injector Circuit. Scheme 390
Scheme 390: Test NS-11A (3 of 3) Fault in Injector Circuit
Schematic Test NS-12A Idle Speed Motor Check. Scheme 391
Scheme 391: Schematic Test NS-12A Idle Speed Motor Check
Test NS-12A (1 of 2) Idle Speed Motor Check. Scheme 392
Scheme 392: Test NS-12A (1 of 2) Idle Speed Motor Check
Test NS-12A (2 of 2) Idle Speed Motor Check. Scheme 393
Scheme 393: Test NS-12A (2 of 2) Idle Speed Motor Check
