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)

Or, hide this message: temporarily or permanently

DTC Chart: All Terrain Control Module (ATCM)




DTC Chart: All Terrain Control Module (ATCM)

Diagnostics assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to Diagnostic Methods Diagnostic Methods for information regarding Ford-specific diagnostic practices.

NOTE: Network DTCs (Diagnostic Trouble Codes) (U-codes) are often a result of intermittent concerns such as damaged wiring or low battery voltage occurrences. Lost Communication DTCs (Diagnostic Trouble Codes) set in a module that is reporting a communication fault from another module on the data bus. The module that reports the fault is not the problem module.

ATCM (All Terrain Control Module) DTC Chart