U0125–LOST COMMUNICATION WITH DYNAMICS SENSOR

For a complete wiring diagram Refer to Section 8W.

• When Monitored:

  With the ignition on.

• Set Condition:

  If the Anti-Lock Brakes Module fails to receive bus messages from the Dynamics Sensor.

Diagnostic Test

NOTE: If present, diagnose and repair DTC C2114–DYNAMICS SENSOR SUPPLY VOLTAGE LOW or DTC C2115–DYNAMICS SENSOR SUPPLY VOLTAGE HIGH before proceeding.

• Go To 2

• The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
• Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TESTING)

• Repair as necessary.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Go To 3

• Repair the (D465) Dynamics Sensor High Data Link circuit for a short to voltage.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Go To 4

• Repair the (D465) Dynamics Sensor High Data Link circuit for a short to ground.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Go To 5

• Go To 6

• Repair the (D465) Dynamics Sensor High Data Link circuit for an open.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Repair the (D464) Dynamics Sensor Low Data Link circuit for a short to voltage.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Go To 7

• Repair the (D464) Dynamics Sensor Low Data Link circuit for a short to ground.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Go To 8

• Replace the Dynamics Sensor in accordance with the Service Information.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).

• Repair the (D464) Dynamics Sensor Low Data Link circuit for an open.
• Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).