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 26 - TCC STUCK ONDESCRIPTION
1992 Saturn SC Standard
Code 26 - TCC Stuck On: Description
1992 Saturn SC StandardSECTION Description
PCM should release TCC by opening ground circuit of TCC line actuator. PCM monitors TCC by comparing engine speed to turbine speed. If PCM detects the same engine-to-turbine speed after TCC is commanded off, PCM will set code 26.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- If present, go to information flag listed. Using flow charts, check for possible causes of trouble code.
- See ACTUATOR QUICK CHECK under SELF-DIAGNOSTICS. Ensure clicking sound from TCC line actuator is similar to clicking sound of other line actuators.
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.