B2503

Diagnostic Trouble Code Chart:

CIRCUIT DESCRIPTION
When the PZM receives a serial data message that the transaxle is in park, the PZM grounds CKT 434 (ORN/BLK) enabling the PARK relay. The PZM monitors this output and determines the actual voltage.

CONDITIONS FOR SETTING THE DTC
The PZM determines that CKT 434 (ORN/BLK) is shorted to ground.

ACTION TAKEN WHEN THE DTC SETS
The PZM will continue commanding the requested state until the state is achieved or until the request changes.

CONDITIONS FOR CLEARING THE DTC
The PZM determines that CKT 434 (ORN/BLK) is no longer shorted to ground.