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.
U0011-00-Can Interior Bus Off Performance
The DTC number or title listed above may not appear in the Body Control Module (BCM) diagnostic procedures. If this occurs, perform the CAN Interior Bus diagnostic procedure in the BCM that is comparable to the above DTC title (examples: CAN INTERIOR BUS, CAN INTERIOR BUS OFF, CAN INTERIOR BUS PERFORMANCE or CAN INTERIOR BUS OFF PERFORMANCE).
Perform the comparable U-Code diagnostic procedure(s) for the CAN IHS Bus in the BCM. Refer to DTC INDEX (1 OF 3) and/or DTC INDEX (2 OF 3) and/or DTC INDEX (3 OF 3) .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.