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 RAM1999DAKOTA SLT, 2D PICKUP, 3.9 X, 4WD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXENGINE PERFORMANCE DTCS
1999 Dodge and Ram Dakota SLT, 2D Pickup, 3.9 X, 4WD, Standard
Engine Performance DTCS
1999 Dodge and Ram Dakota SLT, 2D Pickup, 3.9 X, 4WD, StandardSECTION Engine Performance DTCS
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| P0107 | MAP SENSOR VOLTAGE TOO LOW |
| P0108 | MAP SENSOR VOLTAGE TOO HIGH |
| P0112 | IAT SENSOR VOLTAGE LOW |
| P0113 | IAT SENSOR VOLTAGE 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 TEMP NOT REACHED |
| P0131 | 1/1 O2S VOLTAGE SHORTED TO GROUND |
| P0132 | 1/1 O2 SEN SHORTED TO VOLTAGE |
| P0133 | 1/1 O2S SLOW RESPONSE |
| P0135 | 1/1 O2 SENSOR HEATER FAILURE |
| P0137 | 1/2 O2S VOLTS SHORTED TO GROUND |
| P0138 | 1/2 O2S SHORTED TO VOLTAGE |
| P0139 | 1/2 O2 SENSOR SLOW RESPONSE |
| P0141 | 1/2 O2 SENSOR HEATER FAILURE |
| P0143 | 1/3 O2 SEN SHORTED TO GROUND |
| P0144 | 1/3 O2 SEN SHORTED TO VOLTAGE |
| P0145 | 1/3 O2 SENSOR SLOW RESPONSE |
| P0147 | 1/3 O2 SENSOR HEATER FAILURE |
| P0151 | 2/1 O2S VOLTAGE SHORTED TO GROUND |
| P0152 | 2/1 O2S SHORTED TO VOLTAGE |
| P0153 | 2/1 O2S SLOW RESPONSE |
| P0155 | 2/1 O2S HEATER FAILURE |
| P0171 | 1/1 FUEL SYSTEM LEAN |
| P0172 | 1/1 FUEL SYSTEM RICH |
| P0174 | 2/1 FUEL SYSTEM LEAN |
| P0175 | 2/1 FUEL SYSTEM RICH |
| P0201 | INJECTOR #1 CONTROL CIRCUIT |
| P0202 | INJECTOR #2 CONTROL CIRCUIT |
| P0203 | INJECTOR #3 CONTROL CIRCUIT |
| P0204 | INJECTOR #4 CONTROL CIRCUIT |
| P0205 | INJECTOR #5 CONTROL CIRCUIT |
| P0206 | INJECTOR #6 CONTROL CIRCUIT |
| P0207 | INJECTOR #7 CONTROL CIRCUIT |
| P0208 | INJECTOR #8 CONTROL CIRCUIT |
| 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 |
| P0307 | CYLINDER #7 MISFIRE |
| P0308 | CYLINDER #8 MISFIRE |
| P0340 | NO CAM SIGNAL AT PCM |
| P0441 | EVAP PURGE FLOW MONITOR FAILURE |
| P0442 | EVAP LEAK MONITOR SMALL LEAK DETECTED |
| P0443 | EVAP PURGE SOLENOID CIRCUIT |
| P0455 | EVAP LEAK MONITOR LARGE LEAK DETECTED |
| P0460 | FUEL LEVEL UNIT NO CHANGE OVER MILES |
| P0462 | FUEL LEVEL SENSOR VOLTS TOO LOW |
| P0463 | FUEL LEVEL SENSOR VOLTS TOO HIGH |
| P0500 | NO VEHICLE SPEED SENSOR SIGNAL |
| P0505 | IAC MOTOR CIRCUIT |
| P0505B | IAC MOTOR CIRCUIT |
| P0505C | IAC MOTOR CIRCUIT |
| P0505D | IAC MOTOR CIRCUIT |
| P0505E | IAC MOTOR CIRCUIT |
| P0551 | POWER STEERING SWITCH FAILURE |
| P0600 | PCM FAILURE SPI COMMUNICATIONS |
| P0601 | INTERNAL CONTROLLER FAILURE |
| P0622 | GENERATOR FIELD NOT SWITCHING PROPERLY |
| P0645 | A/C CLUTCH RELAY CIRCUIT |
| P1195 | SLOW 1/1 O2S DURING CATALYST MONITOR |
| P1197 | SLOW 1/2 O2S DURING CATALYST MONITOR |
| P1281 | ENGINE IS COLD TOO LONG |
| P1282 | FUEL PUMP RELAY CONTROL CIRCUIT |
| P1294 | TARGET IDLE NOT REACHED |
| P1296 | NO 5 VOLTS TO MAP SENSOR |
| P1297 | NO CHANGE IN MAP FROM START TO RUN |
| P1388 | ASD RELAY CONTROL CIRCUIT |
| P1389 | NO ASD RELAY OUTPUT VOLTAGE AT PCM |
| P1391 | INTERMITTENT LOSS OF CKP OR CMP |
| P1398 | MISFIRE ADAPTIVE NUMERATOR AT LIMIT |
| P1486 | EVAP LEAK MON PINCHED HOSE FOUND |
| P1491 | RADIATOR FAN CONTROL RELAY CIRCUIT |
| P1492 | BTS VOLTAGE TOO HIGH |
| P1493 | BTS VOLTAGE TOO LOW |
| P1494 | LEAK DETECTION PUMP SW OR MECH FAULT |
| P1495 | LEAK DETECTION PUMP SOLENOID CIRCUIT |
| P1594 | CHARGING SYSTEM VOLTAGE TOO HIGH |
| P1682 | CHARGING SYSTEM VOLTAGE TOO LOW |
| P1696 | PCM FAILURE EEPROM WRITE DENIED |
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.