U0074

U0074-CONTROL MODULE COMMUNICATION BUS D- PT OFF - HEV





For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Continually

- Set Condition:
The Powertrain Control Module (PCM) doesn't receive a Hybrid Control Processor (HCP) message over the dedicated CAN bus circuit. The circuit is continuously monitored. One trip fault.





WARNING: On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury
ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, View PCM DTCs.

Is the DTC Active at this time?

Yes

- U0293 Perform the U0293-Lost Communication with Hybrid Control Module (HGM) diagnostic procedure.

No

- Stored Lost Communication DTCs Perform the Stored Lost Communication DTCs diagnostic procedure.