Antilock Brake Module (ABS)

U0100-00-LOST COMMUNICATION WITH ECM/PCM

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

- When Monitored:
Ignition run time is greater than one second. Battery voltage between 9 and 16 volts. Engine run time greater than three seconds.

- Set Condition:
Bus messages not received from the Powertrain Control Module (ECM/PCM) for approximately two to five seconds.





NOTE: If present, diagnose and repair DTC U0002-88-CAN C BUS OFF PERFORMANCE- BUS OFF before diagnosing this DTC.
VERIFY DTC IS ACTIVE

NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

1. Turn the ignition on.
2. With the scan tool, read the active DTCs.

Is this DTC active?

Yes

- Totally Integrated Power Module (TIPM) and perform the U0100-Lost Communication with ECM/PCM diagnostic procedure.

No

- Stored Lost Communication DTCs and perform the Stored Lost Communication DTCs diagnostic procedure.