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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis - A/T >> Diagnostic Flow Charts (Cars) >> Chart C-8A, Torque Converter Clutch Functional Check - 1992 3.8L PFI (VIN L & 1) >> Converter Clutch MOD Indicator Light On All the Time

Converter Clutch MOD Indicator Light On All the Time

Disconnect PCM Green connector and check circuit No. 1350 for short to ground. If okay, PCM is faulty.

Fig 1: Chart C-8A, TCC Functional Check Troubleshooting (VIN L & 1) 1992 3.8L PFI)
G92H14842Courtesy of GENERAL MOTORS CORP.
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