Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC U0029-00 (Multipurpose Camera Unit) (2016 2017 2018)
DTC U0029-00 : F-CAN Malfunction (BUS-OFF)
NOTE:
- Before you troubleshoot, review the how to troubleshooting information .
- This DTC is stored by communication failure between the F-CAN line and the multipurpose camera unit. When DTC U0029-00 is indicated, the F-CAN line has already returned to normal. Check for loose terminals and poor connections at the connectors. If the connectors are OK, clear the DTC and following this troubleshooting.
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| U0029-00 F-CAN Malfunction (BUS-OFF) |
DTC (IDAS)
- CAN gateway system DTC check
-1. Turn the vehicle to the ON mode.
-2. Check for DTCs with the HDS.
DTC Description DTC Are any DTCs indicated?
YES
Go to indicated DTC's troubleshooting .
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting . If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.