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Anti-Lock Warning Light Stays On

Check the following if the Anti-Lock warning light remains ON after the engine is started, and does not flash any codes or sub-codes:

Loose or poor connection of the wiring harness at control unit.
Blown or faulty ABS2 (15-amp) fuse.
Open circuit in White wire between ABS2 (15-amp) fuse and control unit.
Open circuit in Yellow/Black wire between ABS3 (15-amp) fuse and control unit.
Short in Blue/Red wire betwee gauge assembly and control unit.
Open in White/Blue wire between alternator and control unit.

If problem is not found, substitute a known good control unit and recheck whether anti-lock brake system indicator light remains ON.