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Home >> Plymouth >> 1996 >> Voyager Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.4L >> Diagnostic Trouble Code (DTC) Identification

Diagnostic Trouble Code (DTC) Identification

NOTE: When using MIL to retrieve DTCs, some DTCs have more than one meaning. The MIL is unable to distinguish between different failures for a specified component. For example, there are 4 different possible failures for the downstream oxygen sensor system, but the MIL can only identify an downstream oxygen sensor failure by flashing a DTC 21. See DTC MESSAGES & CODES  table.
NOTE: If using Chrysler's Diagnostic Readout Box (DRB-III) scan tool, scan tool has ability to display all Diagnostic Trouble Codes (DTCs). Generic OBD-II scan tool and/or MIL can also be used, but has limited diagnostic capability. Generic OBD-II scan tool is not be able to identify all possible DTCs. As an example, generic scan tool may not be able to identify or display a DTC for a malfunctioning A/C clutch relay circuit, A/C pressure sensor, Auto Shutdown (ASD) relay circuit, charging system voltage circuit or knock sensor circuit. See DTC MESSAGES & CODES  table.
DTC MESSAGES & CODES

DRB-III Scan Tool Message Generic Scan Tool Code MIL Code Test No.
5-VOLT SUPPLY OUTPUT TOO LOW P1496 71 TC-146A 
A/C CLUTCH RELAY CIRCUIT N/A 33 TC-16A 
A/C PRESSURE SENSOR VOLTS TOO HIGH N/A 33 TC-90A 
A/C PRESSURE SENSOR VOLTS TOO LOW N/A 33 TC-91A 
AUTO SHUTDOWN RELAY CONTROL CIRCUIT N/A 42 TC-10A 
BAROMETRIC PRESSURE OUT OF RANGE P0106 61 TC-60A 
BATTERY TEMP SENSOR VOLTAGE TOO HIGH P1492 44 TC-153A 
BATTERY TEMP SENSOR VOLTAGE TOO LOW P1493 44 TC-153A 
BRAKE SWITCH SENSE CIRCUIT P0703 65 TC-152A 
CATALYTIC CONVERTER EFFICIENCY FAILURE P0420 64 TC-112A 
CHARGING SYSTEM VOLTAGE TOO HIGH N/A 46 TC-6A 
CHARGING SYSTEM VOLTAGE TOO LOW N/A 47 TC-5A 
CLOSED LOOP TEMPERATURE 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 
DOWNSTREAM O2 SENSOR HEATER FAILURE P0141 21 TC-105A 
DOWNSTREAM O2 SENSOR SHORTED TO VOLTAGE P0138 21 TC-126A 
DOWNSTREAM O2 SENSOR STAYS AT CENTER P0140 21 TC-129A 
DOWNSTREAM O2S VOLTAGE SHORTED TO GROUND P0137 21 TC-156A 
EATX CONTROLLER DTC PRESENT P0700 45 (1)
ECT SENSOR VOLTAGE TOO HIGH P0118 22 TC-31A 
ECT SENSOR VOLTAGE TOO LOW P0117 22 TC-30A 
ENGINE IS COLD TOO LONG N/A 17 (2)
FUEL LEVEL SENDING UNIT VOLTS TOO HIGH N/A 42 (3)
FUEL LEVEL SENDING UNIT VOLTS TOO LOW N/A 42 (3)
FUEL LEVEL SENDING UNIT NO CHANGE OVER MILES N/A 42 (3)
FUEL PUMP RELAY CONTROL CIRCUIT N/A 42 TC-101A 
FUEL SYSTEM LEAN P0171 51 TC-119A 
FUEL SYSTEM RICH P0172 52 TC-118A 
GENERATOR FIELD NOT SWITCHING PROPERLY N/A 41 TC-11A 
IDLE AIR CONTROL MOTOR CIRCUITS P0505 25 TC-25A 
IGNITION COIL #1 PRIMARY CIRCUIT P0351 43 TC-43A 
IGNITION COIL #2 PRIMARY CIRCUIT P0352 43 TC-43A 
IGNITION COIL #3 PRIMARY CIRCUIT P0353 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 P0601 53 (4)
KNOCK SENSOR CIRCUIT N/A 16 TC-59A 
MAP SENSOR VOLTAGE TOO HIGH P0108 14 TC-37A 
MAP SENSOR VOLTAGE TOO LOW P0107 14 TC-36A 
MIS-FIRE ADAPTIVE NUMERATOR AT LIMIT P1398 11 TC-186A 
MULTIPLE CYLINDER MISFIRE P0300 43 TC-106A 
NO ASD RELAY OUTPUT VOLTAGE AT PCM N/A 42 TC-44A 
NO CAM SIGNAL AT PCM P0340 54 TC-1A 
NO CCD MESSAGE FROM BODY CONTROL MODULE N/A 66 TC-97A 
NO CCD MESSAGES FROM TCM P1698 66 TC-96A 
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 
PARK/NEUTRAL SWITCH FAILURE P1899 37 TC-114A 
PCM FAILURE EEPROM WRITE DENIED N/A 63 TC-48A 
PCM FAILURE SPI COMMUNICATIONS P0600 53 (4)
PCM FAILURE SRI MILE NOT STORED N/A 62 TC-48A 
RAD FAN CONTROL RELAY CIRCUIT P1491 35 TC-14A 
SPEED CONTROL SOLENOID CIRCUITS N/A 34 TC-15A 
TARGET IDLE NOT REACHED P1294 25 TC-138A 
THROTTLE POSITION SENSOR VOLTAGE HIGH P0123 24 TC-27A 
THROTTLE POSITION SENSOR VOLTAGE LOW P0122 24 TC-26A 
TORQ CONV CLU, NO RPM DROP AT LOCKUP P0740 37 TC-148A 
TORQUE CONVERTER CLUTCH SOLENOID CKT P0743 37 TC-12A 
TPS VOLTAGE DOES NOT AGREE WITH MAP P0121 24 TC-132A 
UPSTREAM O2 SENSOR HEATER FAILURE P0135 21 TC-103A 
UPSTREAM O2 SENSOR SHORTED TO VOLTAGE P0132 21 TC-62A 
UPSTREAM O2 SENSOR SLOW RESPONSE P0133 21 TC-102A 
UPSTREAM O2 SENSOR STAYS AT CENTER P0134 21 TC-32A 
UPSTREAM O2S VOLTAGE SHORTED TO GROUND P0131 21 TC-155A 
(1) Refer to TRANSMISSION SERVICE & REPAIR article for diagnosis of electronic controlled transaxle.
(2) Check cooling system and thermostat if engine coolant temperature does not reach 176°F (80°C) after driving 20 minutes.
(3) See the BODY CONTROL COMPUTER TESTS article in the ACCESSORIES/SAFETY EQUIPMENT section for fuel level sending unit testing.
(4) Replace Powertrain Control Module (PCM). Perform TEST VER-2A.
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