Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code information BCM-U012588

Condition




Diagnostic trouble code BCM-U012588 is generated if the brake control module (BCM) registers a communication problem with the AYC sensor.

Substitute value
- TC is blocked.
- SC is blocked.
- AYC is blocked.

Hint: For information on abbreviations: Brake system, abbreviations, B6324S5 Testing and Inspection

Possible source
- The CAN communication cables are short-circuited to each other.
- The CAN communication cables are short-circuited to ground or supply voltage.
- Internal malfunction in AYC sensor.
- Internal malfunction in brake control module (BCM).

Fault symptom[s]
- General warning light on.
- Anti-spin is not operational.
- The stability function is not operational.
- The anti-skid function is not operational.