Test I: Charging System Warning Indicator Is Never/Always On (Base Instrument Cluster)
Pinpoint Test I: The Charging System Warning Indicator Is Never/Always On (Base Instrument Cluster)
Normal Operation
The charging system warning indicator is controlled by the instrument cluster based upon data received from the powertrain control module (PCM) over the high speed controller area network (HS-CAN).
Possible Causes
- charging system
- PCM
- instrument cluster