LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 1998 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Engine Performance DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Performance DTCS

ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Perform Test
P0107 MAP SENSOR VOLTAGE TOO LOW TC-36A
P0108 MAP SENSOR VOLTAGE TOO HIGH TC-37A
P0112 INTAKE AIR TEMP SENSOR VOLTAGE LOW TC-57A
P0113 INTAKE AIR TEMP SENSOR VOLTAGE HIGH TC-58A
P0117 ECT SENSOR VOLTAGE TOO LOW TC-30A
P0118 ECT SENSOR VOLTAGE TOO HIGH TC-31A
P0121 TPS VOLTAGE DOES NOT AGREE WITH MAP TC-132A
P0122 THROTTLE POSITION SENSOR VOLTAGE LOW TC-26A
P0123 THROTTLE POSITION SENSOR VOLTAGE HIGH TC-27A
P0125 CLOSED LOOP TEMP NOT REACHED TC-128A
P0131 1/1 O2 SENSOR VOLTAGE SHORTED TO GROUND TC-155A
P0132 1/1 O2 SENSOR SHORTED TO VOLTAGE TC-62A
P0133 1/1 O2 SENSOR SLOW RESPONSE TC-102A
P0135 1/1 O2 SENSOR HEATER FAILURE TC-103A
P0137 1/2 O2 SENSOR VOLTS SHORTED TO GND TC-156A
P0138 1/2 O2 SENSOR SHORTED TO VOLTAGE TC-126A
P0139 1/2 O2 SENSOR SLOW RESPONSE TC-104A
P0141 1/2 O2 SENSOR HEATER FAILURE TC-105A
P0143 1/3 O2 SENSOR SHORTED TO GROUND TC-144A
P0144 1/3 O2 SENOR SHORTED TO VOLTAGE TC-147A
P0147 1/3 O2 SENSOR HEATER FAILURE TC-189A
P0151 2/1 O2 SENSOR SHORTED TO GROUND TC-181A
P0152 2/1 O2 SENSOR SHORTED TO VOLTAGE TC-66A
P0153 2/1 O2 SENSOR SLOW RESPONSE TC-122A
P0155 2/1 O2 SENSOR HEATER FAILURE TC-124A
P0171 FUEL SYSTEM 1/1 LEAN TC-119A
P0172 FUEL SYSTEM 1/1 RICH TC-118A
P0174 FUEL SYSTEM 2/1 LEAN TC-121A
P0175 FUEL SYSTEM 2/1 RICH TC-120A
P0201 INJECTOR #1 CONTROL CIRCUIT TC-21A
P0202 INJECTOR #2 CONTROL CIRCUIT TC-21A
P0203 INJECTOR #3 CONTROL CIRCUIT TC-21A
P0204 INJECTOR #4 CONTROL CIRCUIT TC-21A
P0205 INJECTOR #5 CONTROL CIRCUIT TC-21A
P0206 INJECTOR #6 CONTROL CIRCUIT TC-21A
P0207 INJECTOR #7 CONTROL CIRCUIT TC-21A
P0208 INJECTOR #8 CONTROL CIRCUIT TC-21A
P0209 INJECTOR #9 CONTROL CIRCUIT TC-21A
P0210 INJECTOR #10 CONTROL CIRCUIT TC-21A
P0216 FUEL INJECTION PUMP TIMING FAILURE (DIESEL) TC-195A
P0300 MULTIPLE CYLINDER MISFIRE TC-106A
P0301 CYLINDER #1 MISFIRE TC-107A
P0302 CYLINDER #2 MISFIRE TC-107A
P0303 CYLINDER #3 MISFIRE TC-107A
P0304 CYLINDER #4 MISFIRE TC-107A
P0305 CYLINDER #5 MISFIRE TC-107A
P0306 CYLINDER #6 MISFIRE TC-107A
P0307 CYLINDER #7 MISFIRE TC-107A
P0308 CYLINDER #8 MISFIRE TC-107A
P0309 CYLINDER #9 MISFIRE TC-107A
P0310 CYLINDER #10 MISFIRE TC-107A
P0320 NO CRANK REFERENCE SIGNAL AT PCM TC-40A
P0340 NO CAM SIGNAL AT PCM TC-1A
P0351 IGNITION COIL #1 PRIMARY CIRCUIT TC-43A
P0352 IGNITION COIL #2 PRIMARY CIRCUIT TC-42A
P0353 IGNITION COIL #3 PRIMARY CIRCUIT TC-41A
P0354 IGNITION COIL #4 PRIMARY CIRCUIT TC-76A
P0355 IGNITION COIL #5 PRIMARY CIRCUIT TC-77A
P0400 EGR SYSTEM FAILURE TC-140A
P0403 EGR SOLENOID CIRCUIT TC-17A
P0420 CATALYST 1/1 EFFICIENCY FAILURE TC-112A
P0441 EVAP PURGE FLOW MONITOR FAILURE TC-113A
P0442 EVAP LEAK MONITOR SMALL LEAK DETECTED TC-160A
P0443 EVAP PURGE SOLENOID CIRCUIT TC-18A
P0455 EVAP LEAK MONITOR LARGE LEAK DETECTED TC-161A
P0460 FUEL LEVEL SENDING UNIT NO CHANGE OVER MILES TC-151A
P0462 FUEL LEVEL SENDING UNIT VOLTS TOO LOW TC-149A
P0463 FUEL LEVEL SENDING UNIT VOLTS TOO HIGH TC-150A
P0500 NO VEHICLE SPEED SENSOR SIGNAL TC-35A
P0505 IDLE AIR CONTROL MOTOR CIRCUITS TC-25A
P0545 A/C CLUTCH RELAY CIRCUIT TC-16A
P0551 POWER STEERING SWITCH FAILURE TC-115A
P0600 PCM FAILURE SPI COMMUNICATIONS REPLACE POWERTRAIN CONTROL MODULE (PCM) AND PERFORM TEST VER-2A.
P0601 INTERNAL CONTROLLER FAILURE REPLACE POWERTRAIN CONTROL MODULE (PCM) AND PERFORM TEST VER-2A.
P0622 GENERATOR FIELD NOT SWITCHING PROPERLY TC-11A
P0711 TRANS TEMP SENSOR, NO TEMP RISE AFTER START TC-164A
P0712 TRANS TEMP SENSOR VOLTAGE TOO LOW TC-74A
P0713 TRANS TEMP SENSOR VOLTAGE TOO HIGH TC-75A
P0720 LOW OUTPUT SPD SENSOR RPM, ABOVE 15 MPH TC-166A
P0740 TORQ CONV CLU, NO RPM DROP AT LOCKUP TC-148A
P0743 TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CKT TC-12A
P0748 GOVERNOR PRESSURE SOLENOID/TRANS RELAY CKTS TC-171A
P0751 O/D SWITCH PRESSED (LO) MORE THAN 5 MINUTES TC-188A
P0753 TRANS 3-4 SOLENOID/TRANS RELAY CKTS TC-50A
P0783 3-4 SHIFT SOL, NO RPM DROP @ 3-4 SHIFT TC-165A
P1195 1/1 O2 SENSOR SLOW DURING CATALYST MONITOR TC-192A
P1197 1/2 O2 SENSOR SLOW DURING CATALYST MONITOR TC-194A
P1281 ENGINE IS COLD TOO LONG CHECK COOLING SYSTEM AND THERMOSTAT IF ENGINE COOLANT TEMPERATURE DOES NOT REACH 176°F (80°C) AFTER DRIVING 20 MINUTES.
P1282 FUEL PUMP RELAY CONTROL CIRCUIT TC-101A
P1291 NO TEMP RISE SEEN FROM INTAKE AIR HEATERS TC-162A
P1294 TARGET IDLE NOT REACHED TC-138A
P1296 NO 5 VOLTS TO MAP SENSOR TC-36A
P1297 NO CHANGE IN MAP FROM START TO RUN TC-39A
P1388 AUTO SHUTDOWN RELAY CONTROL CIRCUIT TC-10A
P1389 NO ASD RELAY OUTPUT VOLTAGE AT PCM TC-44A
P1391 INTERMITTENT LOSS OF CMP OR CKP TC-157A
P1398 MISFIRE ADAPTIVE NUMERATOR AT LIMIT TC-186A
P1486 EVAP LEAK MONITOR PINCHED HOSE FOUND TC-187A
P1491 RAD FAN CONTROL RELAY CIRCUIT TC-14A
P1492 BATTERY TEMP SENSOR VOLTAGE TOO HIGH TC-153A
P1493 BATTERY TEMP SENSOR VOLTAGE TOO LOW TC-153A
P1494 LEAK DETECT PUMP SW OR MECHANICAL FAULT TC-184A
P1495 LEAK DETECTION PUMP SOLENOID CIRCUIT TC-183A
P1594 CHARGING SYSTEM VOLTAGE TOO HIGH TC-6A
P1595 SPEED CONTROL SOLENOID CIRCUITS TC-15A
P1597 SPEED CONTROL SWITCH ALWAYS LOW TC-87A
P1682 CHARGING SYSTEM VOLTAGE TOO LOW TC-5A
P1683 SPEED CONTROL POWER RELAY OR 12-VOLT DRIVER CIRCUIT TC-82A
P1693 DTC DETECTED IN COMPANION MODULE TC-197A
P1693 DTC DETECTED IN PCM TC-196A
P1696 PCM FAILURE EEPROM WRITE DENIED TC-49A
P1697 PCM FAILURE SRI MILE NOT STORED TC-48A
P1756 GOV PRES NOT EQUAL TO TARGET @ 15-20 PSI TC-141A
P1757 GOV PRES ABOVE 3 PSI IN GEAR WITH 0 MPH TC-142A
P1762 GOV PRES SEN OFFSET VOLTS TOO LOW OR HIGH TC-169A
P1763 GOVERNOR PRESSURE SENSOR VOLTS TOO HI TC-168A
P1764 GOVERNOR PRESSURE SENSOR VOLTS TOO LOW TC-167A
P1765 TRANS 12 VOLT SUPPLY RELAY CNTRL CIRCUIT TC-173A
P1899 P/N SWITCH STUCK IN PARK OR IN GEAR TC-114A