FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Test H: PCM ID Does Not Match Between Instrument Cluster and PCM

H1 - H2:






Normal Operation
During each vehicle start sequence, the transceiver module reads the encoded ignition key identification code and circuit 1216 sends the data to the instrument cluster.

Possible Causes
^ PATS transceiver
^ circuitry
^ instrument cluster
^ electronic encoded ignition key