Diesel Data: Automotive Repair

U0021-00






U0021-00-CAN B BUS (+) CIRCUIT OPEN

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

- When Monitored:
With the ignition on and battery voltage between 10 and 16 volts.

- Set Condition:
The Totally Integrated Power Module (TIPM) detects the (D55) CAN B Bus (+) circuit is open.





Totally Integrated Power Module (TIPM) Perform the U0021 CAN B BUS (+) CIRCUIT OPEN diagnostic procedure.