ABS Trouble Code Charts For Warning Light Codes

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Part 5 Of 5:

NOTE: Trouble code 21 (Front RH), code 23 (Front LH), code 25 (Rear RH), code 27 (Rear LH) - Abnormal ABS sensor (Open circuit or input voltage too high)

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

TROUBLE SYMPTOM:
- ABS does not operate.





WIRING DIAGRAM: