Neon L4-2.0L DOHC (1996)
Information Bus: Description and Operation
No CCD Message From TCM
Name of Code:
No CCD Messages From TCM
When Monitored:
With the engine running.
Set Condition:
No CCD messages are received from the TCM for 10 seconds.
Theory of Operation:
The PCM and TCM communicate across the CCD bus system. Information is needed from either module to operate their respective systems.
Possible Causes:
-
Open COD bus (+) or (-) circuit between the modules
-
TCM not powered up
-
Failed TCM
-
Failed PCM
