No CCD Message From Body Control Module

Name of Code:
No CCD Message From Body Control Module

When Monitored:
Anytime the engine is running.

Set Condition:
No CCD messages are received from the BCM for 30 seconds.

Theory of Operation:
The PCM and BCM communicate across the CCD bus system. Information is needed from either module to operate their respective systems.

Possible Causes:
- Open CCD bus (+) or (-) circuit between the modules
- BCM not powered up
- Failed BCM
- Failed PCM