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.
Normal Operation and Fault Conditions
With the ignition ON, the EPB module sends messages to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within the specified time frame, the ABS module sets DTCs. This can be due to a EPB module failure, a circuit failure on the network or an excessive load on the network. For information on the messages sent to the ABS module by the EPB module, refer to Anti-Lock Brake System (ABS) and Stability Control article Description and Operation.
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0128:00 | Lost Communication With Park Brake Control Module: No Sub Type Information | With the ignition ON, the EPB module sends messages to the ABS module over the HS-CAN2. If the ABS module does not receive these messages within the specified time frame, the module sets a DTC. This can be due to a EPB module failure, a circuit failure on the network or an excessive load on the network. For information on the messages sent to the ABS module by the EPB module, refer to Anti-Lock Brake System (ABS) and Stability Control article, Description and Operation. |
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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.