Dodge Dakota – Durango – Ran Truck/Van/Wagon (1999 – 2003) Trouble Code Info

Model Year Engine identification System
Dakota 2.5/3.9/4.7/5.2L 1999-02 EHC/ELF/EPE/EVA JTEC
Dakota 5.9L 1999-03 ELM JTEC
Durango 3.9/4.7/5.2L 1999-02 EHC/ELF/EVA JTEC
Durango 5.9L 1999-03 ELM JTEC
Ram Truck 3.7L 2002-03 EKG JTEC
Ram Truck 3.9/5.2L 1999-01 EHC/ELF/ELN JTEC
Ram Truck 4.7L 2002 EVA JTEC
Ram Truck 5.9/8.0 1999-03 EML/EMM/EWA JTEC
Ram Van/Wagon  3.9/5.2/5.9L 1999-03 EHC/ELF/ELN/ELP/EML

General information

  • Refer to the front of this manual for general test conditions, terminology, detailed descriptions of wiring faults and a general trouble shooter for electrical and mechanical faults.
  • Malfunction indicator lamp (MIL) will illuminate or flash if certain faults are recorded.
  • ECM operates in backup mode if sensors fail , to enable vehicle to be driven to repair shop.
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Accessing

• Trouble codes can only be displayed by using a Scan Tool connected to the data link connector (DLC) 1

Erasing

• Trouble codes can only be erased by using a Scan Tool connected to the data link connector (DLC).

Trouble code  identification

Scan code Fault location Probable cause
PO, P2,UO Refer to OBO-II trouble code tables
P1110 Decreased engine performance -high intake airtemperature Wiring open circuit/short to positive, ground wire defective, IAT sensor, ECT sensor, cooling system, high engine bay temperature, ECM
P1192 Intake air temperature (IAT) sensor -voltage low Wiring, IAT sensor, ECM
P1193 Intake air temperature (IAT) sensor -voltage high Wiring, IAT sensor, ECM
P1194 Heated oxygen sensor (H02S), heater control -circuit malfunction Wiring, H02S, ECM
P1195 Heated oxygen sensor (H02S) 1, bank 1 slow response Wiring, heating inoperative, exhaust leak, H02S
P1196 Heated oxygen sensor (H02S) 1, bank 2 slowresponse Wiring, heating inoperative, exhaust leak, H02S
P1197 Heated oxygen sensor (H02S) 2, bank 1 slow response Wiring, heating inoperative, exhaust leak, H02S
P1280 Fuel pump relay -circuit malfunction Wiring, fuel pump relay
P1281 Engine temperature -low for long period Wiring, cooling system, coolant thermostat, ECT sensor
P1282 Fuel pump relay Wiring open circuit/short circuit, fuel pump relay
P1290 Compressed natural gas pressure sensorpressure high Compressed natural gas system, wiring,compressed natural gas pressure sensor
P1292 Compressed natural gas pressure sensor voltage high Wiring, compressed natural gas pressure sensor
P1293 Compressed natural gas pressure sensor voltage low Wiring, compressed natural gas pressure sensor
P1294 Idle speed control (ISC) system rpm lower/ higher than expected Wiring, air leak, throttle valve tight/sticking, lAC valve
P1295 Throttle position (TP) sensor -no 5 volt supply Wiring, TP sensor, ECM
P1296 Manifold absolute pressure (MAP) sensor no 5 volt supply Wiring, MAP sensor, ECM
P1297 Manifold absolute pressure (MAP) sensor Wiring, hose connection(s), MAP sensor
P1298 System too lean -at prolonged wide open throttle Intake/exhaust leak, MAP sensor, fuel pressure/pump, injector(s), H02S
P1299 Manifold absolute pressure (MAP) sensor/ throttle position (TP) sensor Intake leak, hose connection(s), MAP sensor, TP sensor
P1388 Engine control relay Wiring open circuit/short circuit, engine control relay
P1389 Engine control relay Wiring open circuit, engine control relay
P1391 Crankshaft position (CKP) sensor/camshaft position (CMP) sensor -intermittent signal Wiring, poor connection, air gap, CKP sensor, CMP sensor
P1398 Engine control module (ECM) -misfire detection limit reached Wiring, poor connection, CKP sensor
P1475 Engine control module (EeM) -auxiliary 5 volt output high Wiring, ECM
P1476 Secondary air injection (AIR) system -insufficientflow detected AIR pump, AIR valve, AIR hose(s)
P1477 Secondary air injection (AIR) system excessive flow detected AIR pump, AIR valve, AIR hose(s), ECM
P1478 Ambient/battery temperature sensor -range! performance problem Wiring, ambient/battery temperature sensor
P1479 Transmission cooling fan relay -circuit malfunction Wiring, transmission fluid level low, transmission cooling fan, transmission cooling fan relay
P1486 Evaporative emission (EVAP) system blockage detected Hose connection(s), hose blocked/trapped, EVAP canister
P1488 Engine control module (ECM) -auxiliary 5 volt output low Wiring, ECM
P1491 Engine coolant blower motor relay -circuit malfunction Wiring open circuit/short circuit, engine coolant blower motor
P1492 Ambient/battery temperature sensor -voltage high Wiring, ambient/battery temperature sensor
P1493 Ambient/battery temperature sensor -voltage low Wiring, ambient/battery temperature sensor
P1494 Evaporative emission (EVAP) leak detection pump pressure switch Wiring, hose leak/blockage, EVAP leak detection pump
P1495 Evaporative emission (EVAP) leak detection pump solenoid Wiring open circuit/short circuit, hose leak! blockage, EVAP leak detection pump solenoid
P1496 Engine control module (ECM) -5 volt output low ECM
P1594 Alternator -voltage high Wiring, battery, alternator
P1595 Cruise control Wiring open circuit/short circuit, hoses, cruise control master switch, cruise control vacuum switching valve
P1596 Cruise control master switch -high voltage Wiring, cruise control master switch
P1597 Cruise control master switch -low voltage Wiring, cruise control master switch
P1598 NC refrigerant pressure sensor -high input Wiring, AlC refrigerant pressure too high (cooling fault/incorrectly charged), AlC refrigerant pressure sensor
P1599 AlC refrigerant pressure sensor -low input Wiring, AlC refrigerant pressure too low (incorrectly charged), AlC refrigerant pressure sensor
P1602 Engine control module (ECM) not programmed New ECM not programmed, incorrectly programmed, ECM
P1680 Clutch pedal position (CPP) switch -circuit malfunction Wiring, CPP switch, ECM
P1682 Alternator -voltage low Wiring, battery, alternator drive belt, alternator
P1683 Cruise control Wiring, cruise control vacuum switching valve
P1684 Engine control module (ECM) -supply voltagedisconnected within last 50 ignition switch ON-OFF cycles Wiring, battery
P1685 Key not programmed into immobilizer control module Wiring, ignition key not matchedldamaged,immobilizer control module
P1686 CAN data bus, immobilizer control module no signal Wiring, immobilizer control module
P1687 CAN data bus, instrumentation -no signal Wiring, instrumentation control module(mechanical)
P1693 Engine control module (ECM) Companion module trouble code detected in ECM
P1694 CAN data bus, engine control m.odule (ECM) nosignal Wiring, ECM
P1696 Engine control module (ECM) -EEPROM error ECM
P1698 CAN data bus, transmission control module (TCM) no signal Wiring, TCM
P1719 Skip shift solenoid -circuit malfunction Wiring open circuitlshort circuit, skip shift solenoid
P1740 Torque converter clutch (TCC)/overdrive solenoid-performance problem TCC, overdrive solenoid, transmission mechanical fault
P17S6 Governor pressure not equal to target (15-20PSI) -mid pressure malfunction Signal wire open circuitlshort circuit, valve body, sensor supply wire open circuit, transmission fluid level, governor pressure solenoid, transmission mechanical fault, ECMITCM -no 5 volt supply
P1757 Governor pressure not equal to target zeropressure malfunction Signal wire open circuitlshort circuit, valve body, sensor supply wire open circuit, transmission fluid level, governor pressure solenoid, transmission mechanical fault, ECMfTCM -no S volt supply
P1762 Governor pressure sensor -incorrect signal Signal wire short circuit to ground/positive, supply wire open circuitlshort circuit, transmission fluid level, governor pressure solenoid, governor pressure sensor, ECMITCM
P1763 Governor pressure sensor -signal high Signal wire short circuit to positive, supply wire open circuit, transmission fluid level, governor pressure sensor, ECMfTCM
P1764 Governor pressure sensor -signal low Signal wire short circuit to ground, supply wire open circuit, transmission fluid level, governor pressure sensor, ECMITCM
P176S Transmission system relay Wiring open circuitlshort circuit, transmission system relay, ECMfTCM
P1899 Park/neutral position (PNP) switch -input circuitmalfunction Wiring, PNP switch, ECMITCM