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Home >> Jeep >> 1997 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.5L >> Diagnostic Trouble Code (DTC) Identification
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Diagnostic Trouble Code (DTC) Identification

NOTE: DTCs listed in DTC MESSAGES & CODES table are not used on all models.
DTC MESSAGES & CODES

Scan Tool Message SAE Code MIL Code Test No.
A/C CLUTCH RELAY CIRCUIT N/A 33 TC-16A 
AUTO SHUTDOWN RELAY CONTROL CIRCUIT N/A 42 TC-10A 
BATTERY TEMP SENSOR VOLTAGE TOO HIGH P1492  44 TC-153A 
BATTERY TEMP SENSOR VOLTAGE TOO LOW P1493  44 TC-153A 
CATALYST 1/1 EFFICIENCY FAILURE P0420  (1) TC-112A 
CHARGING SYSTEM VOLTAGE TOO HIGH N/A 46 TC-6A 
CHARGING SYSTEM VOLTAGE TOO LOW N/A 47 TC-5A 
CLOSED LOOP TEMP NOT REACHED P0125  17 TC-128A 
CYLINDER #1 MISFIRE P0301  43 TC-107A 
CYLINDER #2 MISFIRE P0302  43 TC-107A 
CYLINDER #3 MISFIRE P0303  43 TC-107A 
CYLINDER #4 MISFIRE P0304  43 TC-107A 
CYLINDER #5 MISFIRE P0305  43 TC-107A 
CYLINDER #6 MISFIRE P0306  43 TC-107A 
ECT SENSOR VOLTAGE TOO HIGH P0118  22 TC-31A 
ECT SENSOR VOLTAGE TOO LOW P0117  22 TC-30A 
EGR SYSTEM FAILURE P0400  68 TC-140A 
ENGINE IS COLD TOO LONG N/A 17 (2)
EVAP LEAK MONITOR LARGE LEAK DETECTED P0455  31 TC-161A 
EVAP PURGE FLOW MONITOR FAILURE P0441  31 TC-113A 
EVAP PURGE SOLENOID CIRCUIT P0443  31 TC-18A 
FUEL LEVEL SENDING UNIT NO CHANGE OVER MILES N/A 42 TC-151A 
FUEL LEVEL SENDING UNIT VOLTS TOO HIGH N/A 42 TC-150A 
FUEL LEVEL SENDING UNIT VOLTS TOO LOW N/A 42 TC-49A 
FUEL PUMP RELAY CONTROL CIRCUIT N/A 42 TC-101A 
FUEL SYSTEM 1/1 LEAN P0171  51 TC-119A 
FUEL SYSTEM 1/1 RICH P0172  52 TC-118A 
GENERATOR FIELD NOT SWITCHING PROPERLY N/A 41 TC-11A 
GOV PRES ABOVE 3 PSI IN GEAR WITH 0 MPH P1757  37 TC-142A 
GOV PRES NOT EQUAL TO TARGET @ 15-20 PSI P1756  37 TC-141A 
GOV PRES SEN OFFSET VOLTS TOO LOW OR HIGH P1762  45 TC-169A 
GOVERNOR PRESSURE SENSOR VOLTS TOO HI P1763  45 TC-168A 
GOVERNOR PRESSURE SENSOR VOLTS TOO LOW P1764  45 TC-167A 
GOVERNOR PRESSURE SOLENOID/TRANS RELAY CKTS P0748  37 TC-171A 
IDLE AIR CONTROL MOTOR CIRCUITS P0505  25 TC-25A 
IGNITION COIL #1 PRIMARY CIRCUIT P0351  43 TC-43A 
INJECTOR #1 CONTROL CIRCUIT P0201  27 TC-21A 
INJECTOR #2 CONTROL CIRCUIT P0202  27 TC-21A 
INJECTOR #3 CONTROL CIRCUIT P0203  27 TC-21A 
INJECTOR #4 CONTROL CIRCUIT P0204  27 TC-21A 
INJECTOR #5 CONTROL CIRCUIT P0205  27 TC-21A 
INJECTOR #6 CONTROL CIRCUIT P0206  27 TC-21A 
INTAKE AIR TEMP SENSOR VOLTAGE HIGH P0113  23 TC-58A 
INTAKE AIR TEMP SENSOR VOLTAGE LOW P0112  23 TC-57A 
INTERMITTENT LOSS OF CMP OR CKP P1391  11 TC-157A 
INTERNAL CONTROLLER FAILURE (3) 53 (3)
LEAK DETECT PUMP SW OR MECHANICAL FAULT P1494  31 TC-184A 
LOW OUTPUT SPD SENSOR RPM, ABOVE 15 MPH P0720  15 TC-166A 
MAP SENSOR VOLTAGE TOO HIGH (4) P0108  14 TC-37A 
MAP SENSOR VOLTAGE TOO LOW (4) P0107  14 TC-36A 
MISFIRE ADAPTIVE NUMERATOR AT LIMIT P1398  11 TC-186A 
MULTIPLE CYLINDER MISFIRE (4) P0300  43 TC-106A 
NO ASD RELAY OUTPUT VOLTAGE AT PCM P1389  42 TC-44A 
NO CAM SIGNAL AT PCM P0340  54 TC-1A 
NO CHANGE IN MAP FROM START TO RUN P1297  13 TC-39A 
NO CRANK REFERENCE SIGNAL AT PCM P0320  11 TC-40A 
NO VEHICLE SPEED SENSOR SIGNAL P0500  15 TC-35A 
NO 5 VOLTS TO MAP SENSOR P1296  14 TC-36A 
O/D SWITCH PRESSED (LO) MORE THAN 5 MINUTES N/A 45 TC-188A 
PCM FAILURE EEPROM WRITE DENIED P1696  63 TC-49A 
PCM FAILURE SPI COMMUNICATIONS (3) 53 (3)
PCM FAILURE SRI MILE NOT STORED P1697  62 TC-48A 
PNP SWITCH STUCK IN PARK OR IN GEAR P1899  45 TC-114A 
POWER STEERING SWITCH FAILURE P0551  65 TC-115A 
SPEED CONTROL POWER RELAY OR 12-VOLT DRIVER CIRCUIT N/A 77 TC-82A 
SPEED CONTROL SOLENOID CIRCUITS N/A 34 TC-15A 
SPEED CONTROL SWITCH ALWAYS LOW N/A 34 TC-87A 
TARGET IDLE NOT REACHED P1294  25 TC-138A 
THROTTLE POSITION SENSOR VOLTAGE HIGH (4) P0123  24 TC-27A 
THROTTLE POSITION SENSOR VOLTAGE LOW (4) P0122  24 TC-26A 
TORQ CONV CLU, NO RPM DROP AT LOCKUP P0740  37 TC-148A 
TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CKT P0743  37 TC-12A 
TPS VOLTAGE DOES NOT AGREE WITH MAP P0121  24 TC-132A 
TRANS TEMP SENSOR, NO TEMP RISE AFTER START P0711  45 TC-164A 
TRANS TEMP SENSOR VOLTAGE TOO HIGH P0713  45 TC-75A 
TRANS TEMP SENSOR VOLTAGE TOO LOW P0712  45 TC-74A 
TRANS 3-4 SOLENOID/TRANS RELAY CKTS P0753  37 TC-50A 
TRANS 12 VOLT SUPPLY RELAY CNTRL CIRCUIT P1765  37 TC-173A 
1/1 O2 SENSOR HEATER FAILURE P0135  21 TC-103A 
1/1 O2 SENSOR VOLTAGE SHORTED TO GROUND P0131  21 TC-155A 
1/1 O2 SENSOR SLOW DURING CATALYST MONITOR P0133  21 TC-192A 
1/1 O2 SENSOR SLOW RESPONSE P0133  21 TC-102A 
1/1 O2 SENSOR SHORTED TO VOLTAGE P0132  21 TC-62A 
1/2 O2 SENSOR HEATER FAILURE P0141  21 TC-105A 
1/2 O2 SENSOR SHORTED TO VOLTAGE P0138  21 TC-126A 
1/2 O2 SENSOR SLOW RESPONSE P0139  21 TC-104A 
1/2 O2 SENSOR VOLTS SHORTED TO GND P0137  21 TC-156A 
2/1 O2 SENSOR SHORTED TO GROUND P0151  21 TC-181A 
3-4 SHIFT SOL, NO RPM DROP @ 3-4 SHIFT P0783  45 TC-165A 
(1) MIL Code 64 or 72.
(2) Check cooling system and thermostat if engine coolant temperature does not reach 176°F (80°C) after driving 20 minutes.
(3) Replace Powertrain Control Module (PCM) and perform TEST VER-2A.
(4) This DTC can be set by low fuel level. Ensure fuel tank is at least1/4 full and retest for DTC.
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