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.
Diagnostic trouble code (DTC) information
Condition
The control modules exchange information over a network via a standardized serial communication interface - CAN (Controller Area Network). Control modules transmit and receive information. The diagnostic trouble code (DTC) is stored if the control module registers that communication is subject to interference or missing.
Substitute Value
- CAN communication blocked.
- Anti-spin function blocked.
Possible Source
- Defective control module.
Fault symptom[s]
- ABS warning lamp lit.
- Anti-spin warning lamp lit.
- Brake circuit not functioning, warning lamp lit.
- No vehicle speed displayed (because of missing signal to the combined instrument panel).
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.