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P1091 · Manufacturer communications

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

P1091 ← What does this code mean?

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PI1518A ↗

CADILLAC · 2015-12-01

Stop/Start System Malfunction, DTC P1064, P1065, P1068, P106F, P1070, P108D, P108E, or P1091 Set Condition/Concern Some customers may comment that the message “Stop/Start System Disabled” appears on the DIC. There may be a poor ground terminal connection at G400.