Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSATURN1992SL1 AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (ENGINE CONTROLS - TESTS W/CODES - 4.6L)
1992 Saturn SL1 Automatic
Section 9 (Engine Controls - Tests W/Codes - 4.6L)
1992 Saturn SL1 AutomaticSECTION Section 9 (Engine Controls - Tests W/Codes - 4.6L)
WARNING: This page is about a different car, the 1995 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Diagnostic Parameters
- Pcm Specific Data Codes
- PD01: Throttle Position (TP) Sensor
- PD02: Manifold Air Pressure (MAP)
- PD03: Computed Barometric Pressure (BARO)
- PD04: Engine Coolant Temperature (ECT) Sensor
- PD05: Intake Air Temperature (IAT) Sensor
- PD07: EGR Pintle Position
- PD08: Spark Advance
- PD09: Ignition Ground Voltage
- PD10: Fuel Pump Feedback Voltage
- PD11: Engine Speed (RPM)
- PD12: Vehicle Speed (MPH)
- PD13: EGR Pintle Position (Rescued)
- PD15: Ignition 1 Voltage
- PD16: PCM Output Fault Status A
- PD17: PCM Output Fault Status B
- PD30: Front Bank Injector Pulse Width
- PD31: Rear Bank Injector Pulse Width
- PD32: Front Oxygen Sensor Voltage
- PD33: Rear Oxygen Sensor Voltage
- PD34: Front Oxygen Sensor Cross Counts
- PD35: Rear Oxygen Sensor Cross Counts
- PD36: Front Bank Short Term Fuel Trim
- PD37: Rear Bank Short Term Fuel Trim
- PD38: Front Bank Long Term Fuel Trim
- PD39: Rear Bank Long Term Fuel Trim
- PD40: Knock Sensor Spark Retard
- PD41: Knock Sensor
- PD42: Octane Level Of Fuel
- PD69: Cruise Lash
- PD70: Cruise Control Feedback
- PD71: Transaxle Pressure Switch
- PD72: Transaxle Input Speed
- PD73: Torque Converter Slip Speed
- PD74: Transaxle Pressure Control Solenoid Current
- PD75: Current Error
- PD76: Transaxle Gear Ratio
- PD77: Transaxle Oil Temperature
- PD78: Transaxle Shift Adapt
- PD79: Transaxle Steady State Adapt
- PD80: Transaxle Garage Shift Adapt
- PD81: TCC Solenoid Duty Cycle
- PD82: Transaxle Shift Time
- PD83: Non-Drive Wheel Speed
- PD84: Brake Booster Vacuum
- PD97: PROM Calibration (Transaxle)
- PD98: Ignition Cycle Counter
- PD99: PCM Programmable Read Only Memory (PROM) ID Code
- Pcm Specific Input Codes
- Notes
- PI70: Cruise Control Brake Switch
- PI71: Torque Converter Clutch (TCC) Brake Switch
- PI72: Throttle Position Switch
- PI79: Transaxle Switch In Park/Neutral
- PI82: Cruise Control ON/OFF Switch
- PI83: Cruise Control SET/COAST Switch
- PI84: Cruise Control RESUME/ACCEL Switch
- PI85: Power Steering Pressure (PSP) Switch
- PI86: Extended Travel Brake Switch
- PI87: Low Engine Coolant Level Switch
- PI89: Stoplight Switch
- PO00: No Outputs
- PO01: EVAP Solenoid
- PO02: Torque Converter Clutch (TCC)
- PO03: EGR Solenoid
- PO06: No Overrides
- PO07: Idle Speed Control (ISC) Motor
- PO08: Cruise Control Vent
- PO09: Cruise Control Vacuum
- PO10: Shift "A"
- PO11: Shift "B"
- PO20: A/C Compressor Clutch Relay
- PO21: Transaxle Pressure Control (TPC) Solenoid
- Pcm Specific Override Codes
- Notes
- PS00: No Outputs
- PS01: Torque Converter Clutch (TCC) Solenoid
- PS02: EGR Solenoid
- PS03: Idle Speed Control (ISC) Motor
- PS04: Injector Disable (Power Balance)
- PS05: Fuel Pump Relay
- PS06: No Outputs
- PS07: Cruise Control Servo Position
- PS08: Cooling Fan Relays
- PS09: Temporary Spark Advance
- PS10: Injector Flow
- PS11: Transaxle Shift
- PS12: Long Term Fuel Trim Reset
- PS13: Learn & Adapt Reset
- PS14: Transaxle Adapt Reset
- PS15: Transaxle Oil Life
- PS20: Transaxle Pressure Control
- PS21: Knock Sensor Test
- PS22: Permanent Spark Retard
- PS23: Alternator Enable/Disable
- PS24: Traction Control Disable
- Pcm Clear Codes
- Pcm Snapshot
- Viewing Snapshot Information
- Exiting Diagnostics
- Pcm Specific Data Codes
- SFI Charts
- Powertrain Charts
- Powertrain Chart 1, Powertrain System Check
- Powertrain Chart 2, Pcm Power & Ground Check
- Powertrain Chart 3, Powertrain Ground Check
- Powertrain Chart 4, Mil Inoperative
- Powertrain Chart 5, Mil On (No Codes Present)
- Powertrain Chart 6, Multiple Pcm Codes
- Powertrain Chart 7, Rear Oxygen Sensor Diagnosis
- Powertrain Chart 8, Front Oxygen Sensor Diagnosis
- Pcm Code Charts
- Code P012, No 4X Reference Signal From IGN Control Module
- Code P013, Rear Heated Oxygen Sensor Not Ready
- Code P014, Shorted ECT Sensor Signal
- Code P015, Open ECT Sensor Signal
- Code P016, Alternator Voltage Out Of Range
- Code P017, Front Oxygen Sensor Not Ready
- Code P019, Shorted Fuel Pump Feedback Signal
- Code P020, Open Fuel Pump Circuit
- Code P021, Shorted TP Sensor Circuit (Signal Voltage High)
- Code P022, Open TP Sensor Circuit (Signal Voltage Low)
- Code P023, Ignition Control Circuit Problem
- Code P024, Vehicle Speed Sensor (VSS) Circuit Problem
- Code P025, 24X Reference Signal Low
- Code P026, Shorted Throttle Position Switch Circuit
- Code P027, Open Throttle Position Switch Signal
- Code P028, Transaxle Pressure Switch/Circuit Problem
- Code P029, Transaxle Shift Solenoid "B" Problem
- Code P030, ISC Rpm Out Of Range
- Code P031, Shorted Map Sensor Circuit
- Code P032, Open Map Sensor Circuit
- Code P033, Extended Travel Brake Switch Input Circuit Problem
- Code P034, Map Sensor Signal Too High
- Code P035, Ignition Ground Voltage Out Of Range
- Code P036, EGR Pintle Position Out Of Range
- Code P037, Shorted Intake Air Temperature (IAT) Sensor
- Code P038, Open Intake Air Temperature (IAT) Sensor
- Code P039, TCC Engagement Problem
- Code P040, Open PSPS Circuit
- Code P041, No Cam Reference Sens SGNL From IGN Control Module
- Code P042, Front Oxygen Sensor Lean Signal
- Code P043, Front Oxygen Sensor Rich Signal
- Code P044, Rear Oxygen Sensor Lean Signal
- Code P045, Rear Oxygen Sensor Rich Signal
- Code P046, Front-To-Rear Bank Fueling Imbalance
- Code P047 & P107, IPC-To-Pcm Data Link Problem
- Code P048, EGR System Fault
- Code P051 & P108, Prom Checksum Mismatch
- Code P052 & P109, Pcm Keep Alive Memory Reset
- Code P053, 4X Reference SGNL Interrupt From IGN CNTRL Module
- Code P055, Closed TP Sensor Out Of Range
- Code P056, Transaxle Input Speed Sensor Circuit Problem
- Code P057, Shorted Transaxle Temperature Sensor Circuit
- Code P058, Pass-Key(R) Fuel Enable Problem
- Code P059, Open Transaxle Temperature Sensor Circuit
- Code P060, Cruise Control With Transaxle Not In Drive
- Code P061, Cruise Control Vent Solenoid Problem
- Code P062, Cruise Control Vacuum Solenoid Problem
- Code P063, Vehicle Speed & Set Speed Difference Too High
- Code P064, Cruise Control Engaged/Acceleration Too High
- Code P065, Cruise Control Servo Position Sensor Failure
- Code P066, Engine Rpm Too High With Cruise Engaged
- Code P067, Set/Coast Or Resume/ACCEL Switch Shorted
- Code P068, Cruise Control Servo Position Out Of Range
- Code P069, Traction Control Active While In Cruise
- Code P070, Intermittent Throttle Position (TP) Sensor Signal
- Code P071, Intermittent Map Sensor Signal
- Code P073, Intermittent Engine Coolant Temp Sensor Signal
- Code P074, Intermittent IAT Sensor Signal
- Code P075, VSS Signal Interrupt
- Code P076, Transaxle Pressure Control Solenoid Circuit
- Code P080, TP Sensor/Idle Learn Not Complete
- Code P081, Cam To 4X Reference Correlation Problem
- Code P083, 24X Reference Signal High
- Code P085, Idle Throttle Angle Too High
- Code P086, Undefined Gear Ratio
- Code P088, TCC Not Disengaging
- Code P089, Long Shift And Maximum Adapt
- Code P090, TCC Brake Switch Input Circuit Problem
- Code P091, Transaxle Range Switch Problem
- Code P092, Heated Windshield Request Problem
- Code P093, Traction Control System PWM Link Failure
- Code P094, Transaxle Shift Solenoid "A" Problem
- Code P095, Engine Stall Or Near Stall Detected
- Code P096, Torque Converter Over Stress
- Code P097, Park/Neutral-To-Drive/Reverse Shift At High
- Code P099, Cruise Servo Applied Not In Cruise
- Code P102, Shorted Brake Booster Vacuum (BBV) Sensor
- Code P103, Open Brake Booster Vacuum (BBV) Sensor
- Code P105, Brake Booster Vacuum (BBV) Sensor Too Low
- Code P106, Stoplight Switch Input Circuit Problem
- Code P110, Alternator "L" Terminal Circuit Problem
- Code P112, EEPROM Failure
- Code P117, Shorted/Open Shift Solenoids "A" & "B" Circuit
- Code P119, Open/Shorted Fuel Injector
- Code P131, Active Knock Sensor Failure
- Code P132, Knock Sensor Circuit Failure
- Code P137, Loss Of Abs/TCS Data
- Summary
- Wiring Diagrams
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.