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Home › Cadillac › 1992 › Seville Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Pcm Code Charts › Pcm Code E091, Park/Neutral Switch Problem (1 Of 2) › Action

Pcm Code E091, Park/Neutral Switch Problem (1 Of 2): Action

PCM will set Code E091. PCM turns on SERVICE VEHICLE SOON message.

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