Test AA: Mesage Center Is Not Operating Correctly (High Series Instrument Cluster)
Pinpoint Test AA: The Message Center Is Not Operating Correctly (High Series Instrument Cluster)
Normal Operation
The message center functionality is controlled through the message center switch, which is hardwired to the instrument cluster through circuits CMC29 (GN/VT) and RMC32 (GN/BU).
Possible Causes
- message center switch
- instrument cluster