Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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No CCD Message From PCM

NAME OF CODE
No CCD Message From PCM

WHEN MONITORED
When the ignition is in the run or start position and battery voltage is above 10 volts.

SET CONDITION
The BCM looks for engine messages over the CCD bus and does not receive a message within a 2-second period.

THEORY OF OPERATION
The body control module will monitor the engine messages after the ignition has been turned on.

POSSIBLE CAUSES
- Body control module
- Powertrain control module
- CCD Bus failure