U0020-00 Can B Bus Off Performance

NOTE:

Depending on the communication network being used, the Interior CAN Bus may be referred to as the CAN B Bus or the CAN IHS Bus.

NOTE:

This DTC may not be listed in the Body Control Module (BCM) diagnostic procedures. If this DTC is not found in the BCM diagnostic procedures, perform the comparable CAN B Bus or CAN IHS Bus diagnostic test, such as B CAN-MISSING MESSAGE, CAN B BUS-NO SIGNAL or CAN INTERIOR BUS.

Perform the comparable CAN B Bus or CAN IHS Bus diagnostic tests in the BCM. Refer to BODY CONTROL MODULE (BCM), DIAGNOSTIC CODE INDEX or BODY CONTROL MODULE (BCM), DIAGNOSTIC CODE INDEX (EV) .