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A: No Communication With the Anti-Lock Brake Control Module

Pinpoint Test A: No Communication With the Anti-Lock Brake System (ABS) Module

Normal Operation

The operating voltage required to supply the ABS module, hydraulic pump, and isolation valves is in a range between 10 and 16 volts.

Voltage is supplied by circuit 532 (OG/YE) (ignition feed). Ground is provided through circuit 1203 (BK/LB).

Possible Causes

- circuit 532 (OG/YE) open
- circuit 1203 (BK/LB) open