ABS Trouble Code Charts For Warning Light Codes

TROUBLE CODE 21 (FRONT RH)
TROUBLE CODE 23 (FRONT LH)
TROUBLE CODE 25 (REAR RH)
TROUBLE CODE 27 (REAR LH)
ABNORMAL ANTI-LOCK BRAKE SYSTEM (ABS) SENSOR (OPEN CIRCUIT OR INPUT VOLTAGE TOO HIGH) -

Part 1 Of 5:

Part 2 Of 5:

Part 3 Of 5:

Part 4 Of 5:

Part 5 Of 5:

DIAGNOSIS:
^ Faulty ABS sensor (Broken wire, input voltage too high)
^ Faulty harness connector

TROUBLE SYMPTOM:
^ ABS does not operate.





WIRING DIAGRAM: