DTC U0029 Acura
F-CAN A Malfunction (BUS-OFF (PCM))
F-CAN A Malfunction (BUS-OFF (PCM))
Description
The PCM does not receive any signals via the F-CAN A lines for at least 1 second. When a malfunction is detected, the D indicator blinks, and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the PCM memory. The MIL does not come on.
Cause and Solution
Check battery and charging system condition
Loose or poor connections, or worn shorted wires
Short in the F-CAN wires
Faulty gauge control module
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: U0029
- Brand: Acura