DTC P1540 Subaru
Dedicated Powertrain (DPT) CAN Bus Off
Dedicated Powertrain (DPT) CAN Bus Off
Description
The purpose of the diagnostic is to monitor the Controller Area Network (CAN) bus, the transmitted messages on the CAN bus and the validity of the CAN signals. Several control units are connected to the CAN bus which send their messages cyclically in a defined time window. The messages contain multiple signals representing vehicle information.
Cause and Solution
CAN C BUS CIRCUITS OPEN OR SHORTEDDTCS RELATED TO BATTERY VOLTAGE, IGNITION OR VIN MESSAGESBODY CONTROL MODULE (BCM) POWER AND GROUNDBODY CONTROL MODULE (BCM)TRANSMISSION CONTROL MODULE (TCM)MODULE THAT SET THIS DTC
Video Guide
Diagnostic Info
- DTC Code: P1540
- Brand: Subaru