Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2000NEON ES, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SELF DIAGNOSTICSDIAGNOSTIC TROUBLE CODE DEFINITIONS
2000 Dodge and Ram Neon ES, Automatic
Diagnostic Trouble Code Definitions
2000 Dodge and Ram Neon ES, AutomaticSECTION Diagnostic Trouble Code Definitions
DTC MESSAGES & CODES
| Generic Scan Tool Code | DRB-III® Scan Tool Message | ||||||
|---|---|---|---|---|---|---|---|
| P0106 | BAROMETRIC PRESSURE OUT OF RANGE | ||||||
| P0107 | MAP SENSOR VOLTS TOO LOW | ||||||
| P0108 | MAP SENSOR VOLTS TOO HIGH | ||||||
| P0117 | ECT SENSOR VOLTAGE TOO LOW | ||||||
| P0118 | ECT SENSOR VOLTAGE TOO HIGH | ||||||
| P0121 | TPS VOLTAGE DOES NOT AGREE WITH MAP | ||||||
| P0122 | THROTTLE POSITION SENSOR VOLTAGE LOW | ||||||
| P0123 | THROTTLE POSITION SENSOR VOLTAGE HIGH | ||||||
| P0125 | CLOSED LOOP TEMPERATURE NOT REACHED | ||||||
| P0131 | O2 SENSOR 1/1 SHORTED TO GROUND | ||||||
| P0132 | O2 SENSOR 1/1 SHORTED TO VOLTAGE | ||||||
| P0133 | O2 SENSOR 1/1 SLOW RESPONSE | ||||||
| P0134 | O2 SENSOR 1/1 STAYS AT CENTER | ||||||
| P0135 | O2 SENSOR 1/1 HEATER FAILURE | ||||||
| P0137 | O2 SENSOR 1/2 VOLTAGE SHORTED TO GROUND | ||||||
| P0138 | O2 SENSOR 1/2 SHORTED TO VOLTAGE | ||||||
| P0139 | O2 SENSOR 1/2 SLOW RESPONSE | ||||||
| P0140 | O2 SENSOR 1/2 STAYS AT CENTER | ||||||
| P0141 | O2 SENSOR 1/2 HEATER FAILURE | ||||||
| P0171 | 1/1 FUEL SYSTEM LEAN | ||||||
| P0172 | 1/1 FUEL SYSTEM RICH | ||||||
| P0201 | INJECTOR NO. 1 CONTROL CIRCUIT | ||||||
| P0202 | INJECTOR NO. 2 CONTROL CIRCUIT | ||||||
| P0203 | INJECTOR NO. 3 CONTROL CIRCUIT | ||||||
| P0204 | INJECTOR NO. 4 CONTROL CIRCUIT | ||||||
| P0300 | MULTIPLE CYLINDER MISFIRE | ||||||
| P0301 | CYLINDER #1 MISFIRE | ||||||
| P0302 | CYLINDER #2 MISFIRE | ||||||
| P0303 | CYLINDER #3 MISFIRE | ||||||
| P0304 | CYLINDER #4 MISFIRE | ||||||
| P0320 | NO CRANK REFERENCE SIGNAL AT PCM | ||||||
| P0340 | NO CAM SIGNAL AT PCM | ||||||
| P0351 | IGNITION COIL NO. 1 PRIMARY CIRCUIT | ||||||
| P0352 | IGNITION COIL NO. 2 PRIMARY CIRCUIT | ||||||
| P0420 | CATALYST 1/1 EFFICIENCY FAILURE | ||||||
| P0441 | EVAP PURGE FLOW MONITOR | ||||||
| P0442 | EVAP LEAK MONITOR MEDIUM (.040") LEAK DETECTED | ||||||
| P0443 | EVAP PURGE SOLENOID CIRCUIT | ||||||
| P0455 | EVAP LEAK MONITOR LARGE LEAK DETECTED | ||||||
| P0456 | EVAP LEAK MONITOR SMALL (.020") LEAK DETECTED | ||||||
| P0460 | FUEL LEVEL UNIT NO CHANGE OVER MILES | ||||||
| P0462 | FUEL LEVEL SENDING UNIT VOLTS TOO LOW | ||||||
| P0463 | FUEL LEVEL SENDING UNIT VOLTS TOO HIGH | ||||||
| P0500 | NO VEHICLE SPEED SENSOR SIGNAL | ||||||
| P0505 | IDLE AIR CONTROL MOTOR CIRCUITS | ||||||
| P0551 | POWER STEERING SWITCH FAILURE | ||||||
| P0600 | PCM FAILURE SPI COMMUNICATIONS | ||||||
| P0601 | INTERNAL CONTROLLER FAILURE | ||||||
| P0622 (1) | GENERATOR FIELD NOT SWITCHING PROPERLY | ||||||
| P0645 | A/C CLUTCH RELAY CIRCUIT | ||||||
| P0703 | BRAKE SWITCH SENSE CIRCUIT | ||||||
| P0740 (2) | TORQUE CONVERTER CLUTCH, NO RPM DROP AT LOCKUP | ||||||
| P0743 (2) | TORQUE CONVERTER CLUTCH SOL/TRANS RELAY CIRCUIT | ||||||
| P0833 (2) | CLUTCH RELEASED SWITCHED CIRCUIT | ||||||
| P1192 | INLET AIR TEMP SENSOR VOLTAGE LOW | ||||||
| P1193 | INLET AIR TEMP SENSOR VOLTAGE HIGH | ||||||
| P1195 | O2 SENSOR 1/1 SLOW DURING CATALYST MONITOR | ||||||
| P1281 | ENGINE IS COLD TOO LONG | ||||||
| P1282 | FUEL PUMP RELAY CONTROL CIRCUIT | ||||||
| P1294 | TARGET IDLE NOT REACHED | ||||||
| P1297 | NO CHANGE IN MAP FROM START TO RUN | ||||||
| P1299 | VACUUM LEAK FOUND (IAC FULLY SEATED) | ||||||
| P1388 | AUTO SHUTDOWN RELAY CONTROL CIRCUIT | ||||||
| P1389 | NO ASD RELAY OUTPUT VOLTAGE AT PCM | ||||||
| P1390 | TIMING BELT SKIPPED 1 TOOTH OR MORE | ||||||
| P1391 | INTERMITTENT LOSS OF CMP OR CKP | ||||||
| P1398 | MISFIRE ADAPTIVE NUMERATOR AT LIMIT | ||||||
| P1486 | EVAP LEAK MONITOR PINCHED HOSE FOUND | ||||||
| P1490 | LOW SPEED FAN CONTROL RELAY CIRCUIT | ||||||
| P1494 | LEAK DETECT PUMP SW OR MECHANICAL FAULT | ||||||
| P1495 | LEAK DETECTION PUMP SOLENOID CIRCUIT | ||||||
| P1496 | 5-VOLT SUPPLY OUTPUT TOO LOW | ||||||
| P1594 (1) | CHARGING SYSTEM VOLTAGE TOO HIGH | ||||||
| P1595 (3) | SPEED CONTROL SOLENOID CIRCUITS | ||||||
| P1682 (1) | CHARGING SYSTEM VOLTAGE TOO LOW | ||||||
| P1683 (3) | SPEED CONTROL POWER RELAY CIRCUIT | ||||||
| P1696 | PCM FAILURE EEPROM WRITE DENIED | ||||||
| P1697 | PCM FAILURE SRI MILE NOT STORED | ||||||
| P1685 | INVALID SKIM KEY | ||||||
| P1686 | NO SKIM BUS MESSAGE RECEIVED | ||||||
| P1687 | NO MIC BUS MESSAGE | ||||||
|
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.