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 MANUALSSATURN1992SC STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSDIAGNOSISCODE CHARTSCODE 31 - TRANSAXLE TEMPERATURE COLD (CIRCUIT OPEN)DIAGNOSTIC AIDS

1992 Saturn SC Standard

Diagnostic Aids

1992 Saturn SC StandardSECTION Diagnostic Aids

PCM should detect high sensor resistance with low transaxle temperature. Problem is intermittent at this time. Check all terminals, connections and harness for possible loose or corroded condition.

Fig 1: Code 31 Troubleshooting Diagnostic Diagram

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.