ABS Messages Not Received

Test 1:

Tests 2 - 6:

SYMPTOM
ABS MESSAGE NOT RECEIVED

WHEN MONITORED:
Continuously with ignition ON.

SET CONDITION:
BCM receives CCD message from CAB every second. If this message is not received by the BCM for more than 14 seconds, this code will be set. This trouble code is stored in memory for 20 key cycles if it is not erased after the problem is repaired.

POSSIBLE CAUSES
- CAB ground circuit open
- CCD bus (+) circuit open
- CCD bus (-) circuit open
- Fused B(+) circuit open
- Fused ignition switch circuit output open
- CAB doesn't communicate