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.
2002 Chrysler Voyager ECFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE MESSAGES & CODES
| Generic Scan Tool DTC (1) | DRBIII® Scan Tool Message (1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| P0071 | AMBIENT AIR TEMP SENSOR PERFORMANCE | ||||||||
| P0106 | BAROMETRIC PRESSURE OUT OF RANGE | ||||||||
| P0107 | MAP SENSOR VOLTAGE TOO LOW | ||||||||
| P0108 | MAP SENSOR VOLTAGE TOO HIGH | ||||||||
| P0111 | INTAKE AIR TEMP SENSOR PERFORMANCE | ||||||||
| P0117 | ECT SENSOR VOLTAGE TOO LOW | ||||||||
| P0118 | ECT SENSOR VOLTAGE TOO HIGH | ||||||||
| P0120 (2) | THROTTLE POSITION SENSOR SIGNAL CIRCUIT | ||||||||
| 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 O2 SENSOR SHORTED TO GROUND | ||||||||
| P0132 | 1/1 O2 SENSOR SHORTED TO VOLTAGE | ||||||||
| P0133 | 1/1 O2 SENSOR SLOW RESPONSE | ||||||||
| P0134 | 1/1 O2 SENSOR STAYS AT CENTER | ||||||||
| P0135 | 1/1 O2 SENSOR HEATER FAILURE | ||||||||
| P0137 | 1/2 O2 SENSOR SHORTED TO GROUND | ||||||||
| P0138 | 1/2 O2 SENSOR SHORTED TO VOLTAGE | ||||||||
| P0139 | 1/2 O2 SENSOR SLOW RESPONSE | ||||||||
| P0140 | 1/2 O2 SENSOR STAYS AT CENTER | ||||||||
| P0141 | 1/2 O2 SENSOR HEATER FAILURE | ||||||||
| P0171 | 1/1 FUEL SYSTEM LEAN | ||||||||
| P0172 | 1/1 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 (3.3L & 3.8L) | ||||||||
| P0206 | INJECTOR #6 CONTROL CIRCUIT (3.3L & 3.8L) | ||||||||
| P0218 (2) | HIGH TEMPERATURE OPERATION ACTIVATED | ||||||||
| P0300 | MULTIPLE CYLINDER MISFIRE | ||||||||
| P0301 | CYLINDER #1 MISFIRE | ||||||||
| P0302 | CYLINDER #2 MISFIRE | ||||||||
| P0303 | CYLINDER #3 MISFIRE | ||||||||
| P0304 | CYLINDER #4 MISFIRE | ||||||||
| P0305 | CYLINDER #5 MISFIRE (3.3L & 3.8L) | ||||||||
| P0306 | CYLINDER #6 MISFIRE (3.3L & 3.8L) | ||||||||
| P0320 | NO CRANK REFERENCE SIGNAL AT PCM | ||||||||
| P0340 | NO CAM SIGNAL AT PCM | ||||||||
| P0351 | IGNITION COIL #1 PRIMARY CIRCUIT | ||||||||
| P0352 | IGNITION COIL #2 PRIMARY CIRCUIT | ||||||||
| P0353 | IGNITION COIL #3 PRIMARY CIRCUIT (3.3L & 3.8L) | ||||||||
| P0401 | EGR SYSTEM FAILURE | ||||||||
| P0403 | EGR SOLENOID CIRCUIT | ||||||||
| P0420 | 1/1 CATALYTIC CONVERTER EFFICIENCY | ||||||||
| 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 (3SP AUTO TRANS) | ||||||||
| P0500 | NO VEHICLE SPEED SENSOR SIGNAL (4SP AUTO TRANS) | ||||||||
| P0505 | IDLE AIR CONTROL MOTOR CIRCUITS (2.4L) | ||||||||
| P0508 | IAC MOTOR SENSE CIRCUIT LOW (3.3L & 3.8L) | ||||||||
| P0509 | IAC MOTOR SENSE CIRCUIT HIGH (3.3L & 3.8L) | ||||||||
| P0562 (2) | LOW BATTERY VOLTAGE | ||||||||
| P0600 | PCM FAILURE SPI COMMUNICATIONS | ||||||||
| P0601 | INTERNAL CONTROLLER FAILURE | ||||||||
| P0604 (2) | INTERNAL TCM | ||||||||
| P0605 (2) | INTERNAL TCM | ||||||||
| P0613 (2) | INTERNAL TCM | ||||||||
| P0622 (2) | GENERATOR FIELD NOT SWITCHING PROPERLY | ||||||||
| P0645 | A/C CLUTCH RELAY CIRCUIT | ||||||||
| P0700 | EATX CONTROLLER DTC PRESENT | ||||||||
| P0705 (2) | CHECK SHIFTER SIGNAL | ||||||||
| P0703 | BRAKE SWITCH SENSE CIRCUIT | ||||||||
| P0706 (2) | CHECK SHIFTER SIGNAL | ||||||||
| P0714 (2) | LOW BATTERY VOLTAGE | ||||||||
| P0715 (2) | INPUT SPEED SENSOR ERROR | ||||||||
| P0716 (2) | BUS COMMUNICATION WITH PCM | ||||||||
| P0717 (2) | NO COMMUNICATION WITH MIC | ||||||||
| P0720 (2) | OUTPUT SPEED SENSOR ERROR | ||||||||
| P0725 (2) | ENGINE SPEED SENSOR ERROR | ||||||||
| P0731 (2) | GEAR RATIO ERROR IN 1ST | ||||||||
| P0732 (2) | GEAR RATIO ERROR IN 2ND | ||||||||
| P0733 (2) | GEAR RATIO ERROR IN 3RD | ||||||||
| P0734 (2) | GEAR RATIO ERROR IN 4TH | ||||||||
| P0736 (2) | GEAR RATIO ERROR IN REVERSE | ||||||||
| P0738 (2) | HIGH TEMPERATURE OPERATION ACTIVATED | ||||||||
| P0739 (2) | POWER UP AT SPEED | ||||||||
| P0740 | TORQUE CONVERTER CLU, NO RPM DROP AT LOCKUP (3SP AUTO TRANS) | ||||||||
| P0740 (2) | TORQUE CONVERTER CLUTCH CONTROL CIRCUIT (4SP AUTO TRANS) | ||||||||
| P0743 | TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CIRCUITS (3SP AUTO TRANS) | ||||||||
| P0750 (2) | LR SOLENOID CIRCUIT | ||||||||
| P0755 (2) | 2/4 SOLENOID CIRCUIT | ||||||||
| P0760 (2) | OD SOLENOID CIRCUIT | ||||||||
| P0765 (2) | UD SOLENOID CIRCUIT | ||||||||
| P0841 (2) | LR PRESSURE SWITCH SENSE CIRCUIT | ||||||||
| P0845 (2) | 2/4 HYDRAULIC PRESSURE TEST FAILURE | ||||||||
| P0846 (2) | 2/4 PRESSURE SWITCH SENSE CIRCUIT | ||||||||
| P0870 (2) | OD HYDRAULIC PRESSURE TEST FAILURE | ||||||||
| P0871 (2) | OD PRESSURE SWITCH SENSE CIRCUIT | ||||||||
| P0884 (2) | POWER UP AT SPEED | ||||||||
| P0888 (2) | RELAY OUTPUT ALWAYS OFF | ||||||||
| P0890 (2) | SWITCHED BATTERY | ||||||||
| P0891 (2) | TRANSMISSION RELAY ALWAYS ON | ||||||||
| P0897 (2) | WORN OUT/BURNT TRANSAXLE FLUID | ||||||||
| P0944 (2) | LOSS OF PRIME | ||||||||
| P0951 (2) | AUTOSTICK SENSOR CIRCUIT | ||||||||
| P0922 (2) | 2-4/OD HYDRAULIC PRESSURE TEST FAILURE | ||||||||
| P1192 | INLET AIR TEMP SENSOR VOLTAGE LOW | ||||||||
| P1193 | INLET AIR TEMP SENSOR VOLTAGE HIGH | ||||||||
| P1195 | 1/1 O2 SENSOR SLOW DURING CATALYST MONITOR | ||||||||
| P1281 | ENGINE IS COLD TOO LONG | ||||||||
| P1282 | FUEL PUMP RELAY CONTROL CIRCUIT | ||||||||
| P1294 | TARGET IDLE NOT REACHED (2.4L) | ||||||||
| P1294 | TARGET IDLE NOT REACHED (3.3L & 3.8L) | ||||||||
| 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 | ||||||||
| P1391 | INTERMITTENT LOSS OF CMP OR CKP (2.4L) | ||||||||
| P1391 | INTERMITTENT LOSS OF CMP OR CKP (3.3L & 3.8L) | ||||||||
| P1398 | MISFIRE ADAPTIVE NUMERATOR AT LIMIT (2.4L) | ||||||||
| P1398 | MISFIRE ADAPTIVE NUMERATOR AT LIMIT (3.3L & 3.8L) | ||||||||
| P1478 (3) | BATTERY TEMP SENSOR VOLTS OUT OF LIMIT | ||||||||
| P1486 | EVAP LEAK MONITOR PINCHED HOSE FOUND | ||||||||
| P1491 | RAD FAN CONTROL RELAY CIRCUIT | ||||||||
| P1492 (3) | AMBIENT/BATT TEMP SENSOR VOLTS TOO HIGH | ||||||||
| P1493 (3) | AMBIENT/BATT TEMP SENSOR VOLTS TOO LOW | ||||||||
| P1494 | LEAK DETECT PUMP SW OR MECHANICAL FAULT | ||||||||
| P1495 | LEAK DETECTION PUMP SOLENOID CIRCUIT | ||||||||
| P1496 | 5 VOLT SUPPLY, OUTPUT TOO LOW | ||||||||
| P1594 (3) | CHARGING SYSTEM VOLTAGE TOO HIGH | ||||||||
| P1595 (4) |
SPEED CONTROL SOLENOID CIRCUITS | ||||||||
| DTC P1598 | A/C PRESSURE SENSOR VOLTS TOO HIGH | ||||||||
| P1599 | A/C PRESSURE SENSOR VOLTS TOO LOW | ||||||||
| P1652 (2) | SERIAL COMMUNICATION LINK MALFUNCTION | ||||||||
| P1682 (3) | CHARGING SYSTEM VOLTAGE TOO LOW | ||||||||
| P1683 (4) | SPD CTRL PWR RELAY; OR S/C 12V DRIVER CKT | ||||||||
| P1684 (2) | BATTERY WAS DISCONNECTED | ||||||||
| P1685 | WRONG OR INVALID KEY MSG RECEIVED FROM SKIM | ||||||||
| P1686 | NO SKIM BUS MESSAGE RECEIVED | ||||||||
| P1687 (2) | NO COMMUNICATION WITH THE MIC | ||||||||
| P1694 (2) | BUS COMMUNICATION WITH ENGINE MODULE | ||||||||
| P1695 | NO CCD/J1850 MESSAGE FROM BODY CONTROL MODULE | ||||||||
| P1696 | PCM FAILURE EEPROM WRITE DENIED | ||||||||
| P1697 | PCM FAILURE SRI MILE NOT STORED | ||||||||
| P1698 | NO BUS MESSAGE FROM TRANS CONTROL MODULE (3.3L & 3.8L) | ||||||||
| P1765 (2) | SWITCHED BATTERY | ||||||||
| P1767 (2) | TRANSMISSION RELAY ALWAYS ON | ||||||||
| P1768 (2) | RELAY OUTPUT ALWAYS OFF | ||||||||
| P1775 (2) | SOLENOID SWITCH VALVE LATCHED IN TCC POSITION | ||||||||
| P1776 (2) | SOLENOID SWITCH VALVE LATCHED IN LR POSITION | ||||||||
| P1781 (2) | OD PRESSURE SWITCH SENSE CIRCUIT | ||||||||
| P1782 (2) | 2-4 PRESSURE SWITCH SENSE CIRCUIT | ||||||||
| P1784 (2) | LR PRESSURE SWITCH SENSE CIRCUIT | ||||||||
| P1787 (2) | OD HYDRAULIC PRESSURE TEST FAILURE | ||||||||
| P1788 (2) | 2/4 HYDRAULIC PRESSURE TEST FAILURE | ||||||||
| P1789 (2) | 2-4/OD HYDRAULIC PRESSURE TEST FAILURE | ||||||||
| P1790 (2) | FAULT IMMEDIATELY AFTER START | ||||||||
| P1791 (2) | LOSS OF PRIME | ||||||||
| P1792 (2) | BATTERY WAS DISCONNECTED | ||||||||
| P1793 (2) | TRD LINK COMMUNICATION ERROR | ||||||||
| P1794 (2) | SPEED SENSOR GROUND ERROR | ||||||||
| P1795 (2) | INTERNAL TCM | ||||||||
| P1796 (2) | AUTOSTICK SENSOR CIRCUIT | ||||||||
| P1797 (2) | MANUAL SHIFT OVERHEAT | ||||||||
| P1798 (2) | WORN/OUT BURNT TRANSAXLE FLUID | ||||||||
| P1799 (2) | CALCULATED OIL TEMP IN USE | ||||||||
| P1899 | P/N SWITCH STUCK IN PARK OR IN GEAR (3SP AUTO TRANS) | ||||||||
| P1899 | P/N SWITCH STUCK IN PARK OR IN GEAR (4SP AUTO TRANS) | ||||||||
|
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Factory Service Tools
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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.
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