GM GM 96-02 Saturn Trouble Code Info

GM

96-02 1.9, 2.2, 3.0L VIN 7/8, F, R
Scan code Fault location Probable cause
P0000-P0999 Refer to OBD-II trouble code table  –
P1106 Manifold absolute pressure (MAP) sensor, circuit intermittent, voltage high Wiring open circuit/short circuit to positive
P1107 Manifold absolute pressure (MAP) sensor, circuit intermittent, voltage low Wiring short circuit to ground
P1111 Intake air temperature (IAT) sensor, circuit intermittent, voltage high Wiring open circuit, ground lead defective
P1112 Intake air temperature (IAT) sensor, circuit intermittent, voltage low Wiring short circuit to ground
P1114 Engine coolant temperature (ECT) sensor, circuit malfunction, voltage low Wiring short circuit to ground
P1115 Engine coolant temperature (ECT) sensor, circuit malfunction, voltage high Wiring open circuit, ground lead defective
P1121 Throttle position (TP) sensor, circuit malfunction, voltage high Wiring open circuit/short circuit to positive, TP sensor
P1122 Throttle position (TP) sensor, circuit malfunction, voltage low Wiring open circuit/short circuit to ground, TP sensor
P1133 Oxygen sensor (02S)/Heated oxygen sensor (H02S) 1, bank 1 -insufficient switching Wiring, oxygen sensor heater, exhaust system leaking, 02S/H02S
P1134 Oxygen sensor (02S)/heated oxygen sensor (H02S) 1, bank 1, slow response Wiring, oxygen sensor heater, exhaust system leaking, 02S/H02S
P1137 Heated oxygen sensor (H02S) 2, bank 1 -voltage low Wiring, exhaust system leaking, H02S
P1138 Heated oxygen sensor (H02S) 2, bank 1 -voltage high Wiring, H02S
P1171 Fuel system -lean during acceleration Fuel filter, fuel pump, H02S, injectors
P1215 Engine control module (ECM), ground detection -malfunction Wiring, ECM
P1245 Intake manifold air control solenoid -circuit malfunction Wiring, intake manifold air control solenoid, ECM
P1271 Accelerator pedal position (APP) sensor 1/2 -signal variation APP sensor
P1277 Accelerator pedal position (APP) sensor 1 -voltage low Wiring, APP sensor
P1278 Accelerator pedal position (APP) sensor 1 -voltage high Wiring, APP sensor
P1282 Accelerator pedal position (APP) sensor 2 -voltage low Wiring, APP sensor
P1283 Accelerator pedal position (APP) sensor 2 -voltage high Wiring, APP sensor
P1336 Crankshaft position sensor (CKP) -variation not learned Learning procedure not performed
P1351 Ignition control module (ICM),control -cylinder 1 & 4 Wiring open circuit/short circuit to ground/ short circuit to positive, ICM, ECM
P1352 Ignition control module (ICM),control -cylinder 2 & 3 Wiring open circuit/short circuit to ground/ short circuit to positive, ICM, ECM
P1380 Rough road signal error ASS control module trouble code(s) stored
P1403 Exhaust gas recirculation (EGR) solenoid -voltage low Wiring short circuit to ground, EGR solenoid
P1404 Exhaust gas recirculation (EGR) valve, stuck open Wiring open circuit/short circuit to positive, EGR valve position sensor, EGR solenoid
P1405 Exhaust gas recirculation (EGR) solenoid -voltage high Wiring short circuit to positive, EGR solenoid
P1406 Exhaust gas recirculation (EGR) valve position sensor -circuit malfunction Wiring, EGR valve position sensor, EGR valve
P1441 Evaporative emission (EVAP) system -leak detected Hose connection(s), EVAP canister, EVAP canister purge valve
P1508 Idle air control (lAC) valve, rpm low Wiring open circuit/short circuit to ground, intake system blocked, throttle valve, lAC valve, ECM
P1509 Idle air control (lAC) valve, rpm high Wiring open circuit/short circuit to ground, intake system blocked, throttle valve, lAC valve, ECM
P1510 Throttle control unit -performance Wiring, throttle motor, throttle spring, TP sensor
P1511 Throttle control unit -back up performance Wiring, throttle motor, throttle spring, TP sensor
P1516 Throttle command/actual throttle position -signal variation Wiring, throttle control unit
P1519 Engine control module (ECM), throttle actuator control -output driver malfunction Wiring, throttle control unit, ECM
P1523 Throttle control unit, closed throttle position -performance Throttle valve movement restricted, throttle control unit
P1526 Throttle control unit -replaced or flat battery Initial learn procedure not carried out
P1530 Throttle control system -malfunction TP sensor, ECM
P1555 Electronic variable orifice -circuit malfunction Wiring, electronic variable orifice, ECM
P1580 Cruise control system, move circuit -voltage low Wiring, poor connections
P1581 Cruise control system, move circuit -voltage high Wiring, poor connections
P1582 Cruise control system, direction circuit -voltage low Wiring, poor connections
P1583 Cruise control system, direction circuit -voltage high Wiring, poor connections
P1584 Cruise control system, cancel circuit -malfunction Wiring, poor connections, master switch
P1599 Engine stall or near stall detected ECM trouble code(s) stored, mechanical fault, transmission mechanical fault
P1601 CAN data bus, engine control module (ECM)/ antilock braking system (ABS)/ traction control system (TCS)/ instrumentation control module/ diagnostic control module -some communication lost Wiring, poor connections, ECM, ABS/TCS, diagnostic control module, instrumentation control module
P1602 (Saturn 1.9L) CAN data bus, antilock braking system (ABS)/ traction control system (TCS) to engine control module (ECM) -lost communication Wiring, poor connections, ABS control module trouble code(s) stored
P1602 (Saturn 3.0L) Engine control module (ECM), knock sensor -circuit malfunction ECM
P1620 Engine coolant ‘low’ warning lamp switch Coolant level low, wiring, engine coolant ‘low’ warning lamp switch
P1621 Engine control module (ECM) -memory performance ECM
P1623 Engine control module (ECM), transaxle temperature -malfunction ECM
P1625 Engine control module (ECM) -memory malfunction ECM
P1627 Engine control module (ECM) -malfunction ECM
P1628 Engine control module (ECM), engine coolant temperature -malfunction Engine control module (ECM)
P1630 Engine control module (ECM) -immobilizer code learning mode Immobilizer code not programmed
P1631 Engine control module (ECM) -incorrect immobilizer code Incorrect key, immobilizer code not programmed
P1632 Engine control module (ECM) -fuel disable signal lost Fuses, SCM, immobilizer code
P1635 Sensor supply voltage, circuit malfunction Wiring short circuit to ground/positive, ground wiring open circuit, TP sensor, MAP sensor, EGR valve position sensor, ECM
P1637 Alternator ‘L’ terminal, circuit malfunction Wiring open circuit/short circuit to ground, alternator, battery temperature sensor, ECM
P1639 Engine control module (ECM) -malfunction ECM
P1640 Engine control module (ECM), quad driver/ output driver -circuit malfunction Wiring, ECM controlled components, ECM *
P1641 Engine control module (ECM), quad driver/ output driver -circuit malfunction Wiring, ECM controlled components, ECM *
P1650 Engine control module (ECM), quad driver/ output driver -circuit malfunction Wiring, ECM controlled components, ECM *
P1651 Engine control module (ECM), quad driver/ output driver -circuit malfunction Wiring, ECM controlled components, ECM *
P1660 Transmission control module (TCM), ground detection -malfunction Wiring, TCM
P1669 Engine control module (ECM), programmed for ABS -incorrectly programmed or ABS signal not received Without ABS reprogram ECM, with ABS check wiring
P1691 Engine control module (ECM), coolant temperature gauge output signal -circuit malfunction Wiring, poor connections, ECM
P1693 Engine control module (ECM), tachometer output signal -circuit malfunction Wiring, poor connections, ECM
P1694 Engine control module (ECM), speedometer output signal -circuit malfunction Wiring, poor connections, ECM
P1695 Remote central locking module, entry signal -voltage low Wiring, poor connections, central locking module, ECM
P1696 Remote central locking module, entry signal -voltage low Wiring, poor connections, central locking module, ECM
P1780 Transmission control module (TCM), MIL ON request -transmission malfunction Transmission trouble codes stored
P1810 Transmission fluid pressure (TFP) switch -manual valve position Fluid level low, wiring open circuit/short circuit to ground, selector lever linkage incorrectly adjusted, ECM
P1811 Shift time too long -adaptation limit reached Fluid level low, transmission mechanical fault
P1845 Engine control module (ECM), torque management -torque higher than expected MAF sensor, ECT sensor, fuel injectors
P1860 Torque converter clutch (TCC) solenoid -circuit malfunction Wiring open circuit/short circuit to ground, TCC solenoid, ECM
P1887 Torque converter clutch (TCC) release switch -circuit malfunction Wiring open circuit, TCC solenoid release switch, ECM
U1000 CAN data bus -communication malfunction Wiring, SCM, ECM, instrumentation control module, SOM
U1016 Engine control module (ECM), CAN data bus -communication malfunction Wiring, ECM
U1064 Body control module (BCM), CAN data bus -communication malfunction Wiring, SCM
U1096 Instrumentation control module, CAN data bus -communication malfunction Wiring, instrumentation control module
U1300 CAN data bus -signal low Wiring
U1301 CAN data bus -signal high Wiring
U2100 CAN data bus -communication malfunction Wiring
U2103 CAN data bus -not all programmed modules detected Wiring, ECM, SCM, TCM
U2104 CAN data bus -anyone control module not communicating Wiring, ECM, SCM, TCM
U2105 Engine control module (ECM), CAN data bus -lost communication with body control module (BCM)/transmission control module (TCM) Wiring
U2106 Transmission control module (TCM), CAN data bus -lost communication with body control module (BCM)/engine control module (ECM) Wiring
U2107 Body control module (BCM), CAN data bus -lost communication with engine control module (ECM)/transmission control module (TCM) Wiring
  *Depending on model, year and equipment level, the following components may be connected to this circuit. Use of the vehicle wiring diagram is recommended to confirm which components are fitted  
  •  A/C compressor clutch relay
  •  A/C condenser blower motor relay
  •  Engine coolant blower motor relay
  •  Engine coolant ‘hot’ warning lamp
  •  Evaporative emission (EVAP) canister purge valve
  •  Exhaust gas recirculation (EGR) solenoid
  •  Malfunction indicator lamp (MIL)
  •  Torque converter clutch (TCC) solenoid
  •  Transmission shift solenoids (SS)
  •  Transmission shift warning lamp (MT)