Code Description

No Communication with the Anti-Lock Brake System (ABS) Module

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 the battery junction box (BJB) through circuit 532 (TN/RD) (hot at all times) and circuit 601 (LB/PK) (hot in run). Ground is provided through circuit 530 (LG/YE).

Possible causes

• Fuse
• Circuit 601 (LB/PK) open
• Circuit 530 (LG/YE) open
• ABS module