Pinpoint Test 44: DTC U0129 - Lost Communication With Brake System Control Module
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PINPOINT TEST 44: DTC U0129 - LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE - HYBRID
Normal Operation
The instrument cluster sets DTC U0129 if data messages received from the brake system control module (also known as the ABS module) over the high speed controller area network (HS-CAN) are missing. For a complete list of all network messages, see - Communications Network.
Possible Causes
- ABS module (part of the hydraulic control unit)
- Instrument cluster
Diagnostic Procedure
