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P1618 Diagnostic Trouble Code Discussion for January 2006

Sensor Reference Voltage 1 Circuit Erratic

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Trouble Ticket Help Requests for DTC P1618
Help Request Posted
1996 Isuzu Rodeo LS 3.2L MIL Lamp on VIN: 4S2CM58B7T
P1618: Serial Peripheral Interface Communication. We have very limited info on this code. Both the engine and trans light come on. our info says to just replace the pcm. I am hesitant to do that with out some testing or at least feeling more comfortable that this will repair the problem. any help or advise is...
January 30, 2006