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 MANUALSSATURN1998SC1 AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXENGINE PERFORMANCE DTCS
1998 Saturn SC1 Automatic
Engine Performance DTCS
1998 Saturn SC1 AutomaticSECTION Engine Performance DTCS
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| P0105 | MAP/TP Sensor Circuit Range Performance |
| P0106 | MAP Sensor Performance Fault |
| P0107 | MAP Sensor Circuit-Low Voltage |
| P0108 | MAP Sensor Circuit Voltage Out Of Range-High |
| P0112 | IAT Sensor Circuit Temp. Out Of Range-Low |
| P0113 | IAT Sensor Circuit Temp. Out Of Range-High |
| P0117 | ECT Sensor Circuit Temp. Out Of Range-Low |
| P0118 | ECT Sensor Circuit Temp. Out Of Range-High |
| P0122 | TP Sensor Circuit Voltage Out Of Range-Low |
| P0123 | TP Sensor Circuit-High Voltage |
| P0125 | Engine Cooling System Temp. Low |
| P0131 | O2S Circuit Voltage-Low |
| P0132 | O2S Circuit Voltage High |
| P0133, P1133 or P1134 | O2S Response Time Malfunction |
| P0134 | O2S Circuit Open/Inactive |
| P0137 | HO2S Circuit Voltage Low-Sensor 2 |
| P0138 | HO2S Circuit Voltage High-Sensor 2 |
| P0140 | HO2S Circuit Open/Inactive-Sensor 2 |
| P0141 | HO2S Heater Circuit Malfunction-Sensor 2 |
| P0171 | Learned Fuel Control/Fuel Trim System Lean |
| P0172 | Learned Fuel Trim Control/Fuel System Too Rich |
| P0201 | Injector Circuit Fault(s) |
| P0202 | Injector Circuit Fault(s) |
| P0203 | Injector Circuit Fault(s) |
| P0204 | Injector Circuit Fault(s) |
| P0217 | Low Coolant/Hot Light Illuminated &/Or Transaxle Temperature Too High |
| P0218 | Low Coolant/Hot Light Illuminated &/Or Transaxle Temperature Too High |
| P0300 | Random Cylinder Misfire Detected |
| P0301 | Specific Cylinder Misfire Detected |
| P0302 | Specific Cylinder Misfire Detected |
| P0303 | Specific Cylinder Misfire Detected |
| P0304 | Specific Cylinder Misfire Detected |
| P0326 | Knock Sensor Circuit-Excessive Knock |
| P0327 | Knock Sensor Circuit Malfunction |
| P0336 | CKP Sensor Circuit Signal Intermittent Or Noisy (Extra Pulses) |
| P0340 | Cylinder Detect Signal Missing |
| P0341 | Cylinder Detect Signal Error |
| P0351 | IC Circuits No. 1 & 4 Malfunction Or Shorted |
| P0352 | IC Circuits No. 2 & 3 Malfunction Or Shorted |
| DTC P0401 | EGR System Insufficient Flow |
| P0404 | EGR Pintle Position Error |
| P0405 | EGR Feedback Voltage Out Of Range |
| P0420 | Catalyst Efficiency Low |
| P0440 | EVAP System-Large Leak Detected |
| P0442 | EVAP System-Small Leak Detected |
| P0443 | EVAP Canister Purge Sol. Circuit Fault |
| P0446 | EVAP System Canister Vent Blocked |
| DTC P0449 - EVAP SYSTEM VENT SOLENOID CIRCUIT FAULT | EVAP System Vent Solenoid Circuit Fault |
| P0452 | Tank Pressure Sensor Circuit Fault-Low Voltage |
| P0453 | Tank Pressure Sensor Circuit Fault-High Voltage |
| P0500 | VSS Circuit-No Signal |
| P0506 | RPM Out Of Range &/Or IAC Valve Circuit Fault |
| P0507 | RPM Out Of Range &/Or IAC Valve Circuit Fault |
| P0508 | RPM Out Of Range &/Or IAC Valve Circuit Fault |
| P0509 | RPM Out Of Range &/Or IAC Valve Circuit Fault |
| P0560 | Battery Voltage Out Of Range |
| P0561 | Battery Voltage Unstable |
| P0562 | Battery Voltage Out Of Range (High or Low) |
| P0563 | Battery Voltage Out Of Range (High or Low) |
| P0571 | Brake Switch Voltage Signal Invalid |
| P0572 | Brake Switch Voltage Low |
| P0573 | Brake Switch Stuck Closed-High |
| P0600 | Serial Communication |
| P0601 | EEPROM/Flash Error |
| P0602 | Memory/Programming Error |
| P0603 | Non-Volatile Random Access Memory Fault |
| P0604 | RAM Error |
| P0605 | EEPROM |
| P0606 | TC Processor Malfunction |
| P1106 | MAP Sensor Circuit Voltage Out Of Range-High |
| P1107 | MAP Sensor Circuit-Low Voltage |
| P1121 | TP Sensor Circuit-High Voltage |
| P1122 | TP Sensor Circuit Voltage Out Of Range-Low |
| P1133 | O2S Response Time Malfunction |
| P1134 | O2S Response Time Malfunction |
| P1215 | EC GFD Malfunction |
| P1336 | Crankshaft Notch Adaptive Not Learned |
| P1351 | IC Circuits No. 1 & 4 Malfunction Or Shorted |
| P1352 | IC Circuits No. 2 & 3 Malfunction Or Shorted |
| P1380 | ABS Controller Circuit |
| P1404 | EGR Valve Closed Position Error |
| P1441 | EVAP Canister Purge Sol. Flow During Non-Purge |
| P1555 | EVO Circuit Fault (DOHC) |
| P1599 | Engine Stall Or Near Stall Detected |
| P1601 | PCM Serial Communication |
| P1602 | ABS Message Fault |
| P1620 | Low Coolant Level Circuit |
| P1621 | PCM Memory Error |
| P1623 | Transaxle Temp. Sensor Pull-Up Resistor Fault |
| P1624 | Customer Snap Shot Function |
| P1625 | PCM Checksum/Flash Fault |
| P1627 | A/D Malfunction |
| P1628 | ECT Pull-Up Resistor |
| P1635 | 5-Volt Reference Error |
| P1639 | TCM A/D Signal Fault |
| P1660 | TCM GFD Malfunction |
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.