GM GM 92-95 Saturn Trouble Code Info

GM

92-95 1.9L VIN 7/8/9
11 Transaxle trouble code is present. Check transaxle
12 PCM self-diagnostic test is OK.  No engine speed (RPM) signal received
13 Oxygen sensor voltage stays between 0.35 and 0.55 volts for 20 seconds when the engine was at normal operating temperature.  Wiring open circuit, O2S, ECM
14 Coolant temperature sensor signal indicates a temperature of over 284° F.  Wiring, ECT sensor, ECM
15 Coolant temperature sensor signal indicates a temperature colder than -31° F.  Wiring open circuit, ECT sensor, ECM
16 System voltage – high/low  Wiring, battery, alternator
19 Crankshaft position signal (6X) did not occur between each reference pulse for 3 consecutive times.  Wiring, CKP sensor, ECM
21 TPS voltage was above 4.9 volts.  Wiring, TP sensor, ECM
22 TPS voltage was under 0.2 volts.  Wiring open circuit/short circuit to ground, TP sensor, ECM
23 Inlet air temperature sensor signal showed an air temperature of -22° F.  Wiring, IAT sensor, ECM
24 Vehicle speed sensor (VSS) – no signal  Wiring, VSS, ECM
25 Inlet air temperature sensor signal showed an air temperature over 257° F.  Wiring short circuit to ground, IAT sensor, ECM
26 Any of the quad-driver module circuits had an open or short for 25 seconds.  Wiring, ECM controlled components, ECM
27 Any of the quad-driver module circuits had an open or short for 5 seconds.  Wiring, ECM controlled components, ECM
32 EGR system fault. Fuel mixture did not change when EGR solenoid was commanded ON and OFF.  Wiring, poor connections, EGR valve, ECM
33 MAP sensor signal voltage was greater than 4.2 volts when throttle angle was less than 5%.  Wiring, hose blocked/leaking, MAP sensor, ECM
34 MAP sensor signal voltage was less than 2 volts when engine speed was less than 1200 RPM.  Wiring open circuit/short circuit to ground, MAP sensor, ECM
35 Idle air control (IAC) valve  Wiring, IAC valve, intake system leaking, fuel system, PCV valve, A/C system, mechanical fault, ECM
41 Electronic ignition circuit was either open or grounded.  Wiring, poor connections, ICM, ECM
42 The EST signal did not change when the ECM applied bypass voltage to the ignition module.  Wiring, poor connections, ICM, ECM
43 Knock sensor (KS) – circuit malfunction  Wiring, KS, ECM
44 Oxygen sensor voltage was under 0.3 volts for 3 minutes of closed loop operation.  Wiring short circuit to ground, injector(s) blocked, fuel contamination, fuel pressure low. exhaust system leaking, O2S, ECM
48 PCM detected extra or missing crank reference pulses.  Wiring, ICM, ECM
49 IAC was working improperly. Engine idle RPM was too high.  Wiring, IAC valve, intake system leaking, fuel system, PCV valve, A/C system, ECM
51 PROM error.  Poor connections, incorrect programming, ECM
52 PCM sees a battery voltage either above 17 volts or below 11 volts.  Wiring, alternator, battery
53 Knock sensor could not eliminate engine noise by retarding timing.  Wiring, mechanical fault, ECM
54 Engine control module (ECM), sensor supply voltage – circuit malfunction  Wiring, poor connections, ECM
55 Engine control module (ECM) – malfunction  Engine control module (ECM)
58 Battery voltage has changed more than 3 volts instantly.  Wiring, alternator
63 Cruise control system – performance low  Wiring, poor connections, accelerator cable sticking
71 Engine coolant temperature was above 244° F.  Wiring, ECT sensor, ECM
72 Engine coolant temperature was below 32° F after engine had been running for 5 minutes.  Wiring open circuit, ECT sensor, ECM
73 Engine coolant temperature changed more than 59° F in 0.1 second.  Wiring, ECT sensor, ECM
74 Engine coolant temperature sensor reading was less than the transaxle temperature sensor reading.  Wiring, ECT sensor, TFT sensor, ECM
75 Inlet air temperature reading changed more than 59° F in 0.1 second.  Wiring, IAT sensor, ECM
76 MAP sensor signal did not change with a corresponding change in the TPS.  Wiring, TP sensor, MAP sensor, ECM
83 Engine coolant switch was open for 20 seconds when engine was running.  Coolant level low, wiring, engine coolant ‘low’ warning lamp switch
84 Communications error between engine control module and transaxle controller.  Poor connections, incorrect programming, ECM