where is the master relay code reader is #43

Asked by Aug 21, 2015 at 06:23 PM about the 1994 Chevrolet C/K 3500 Crew Cab 2WD

Question type: Maintenance & Repair

code book says master relay is open or shorted.haynes book does not mention a master
relay.

1 Answer

241,405

Code 43 for your truck is related to the knock sensor /control module.

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