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Home >> Cadillac >> 1993 >> Seville Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Pcm >> Pcm Code Charts >> Pcm Code P091 - Transaxle Range Switch Problem >> Failure Conditions
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Failure Conditions

Any 4-digit code that does not match codes shown in chart for 64 seconds. Engine start while Code 1100 (Park) or Code 1010 (Neutral) not present. PCM commanding 4th gear although engine-to-vehicle speed indicating 4th gear achieved with Code 1100 (Park) or Code 1010 (Neutral).

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