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DTC Chart: ATCM

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Network DTCs (U-codes) are often a result of intermittent concerns such as damaged wiring or low battery voltage occurrences. Additionally, vehicle repair procedures, such as module reprogramming, often set network DTCs. Replacing a module to resolve a network DTC is unlikely to resolve the concern. To prevent repeat network DTC concerns, inspect all network wiring, especially connectors. Test the vehicle battery. REFER to: Battery .

DTC Chart - PCM 

DTC Description Action
B142F:67 Wheel Change Manager All Terrain System State: Signal Incorrect After Event setting CLEAR the DTC. REPEAT the self-test. If the DTC returns, INSTALL a new all terrain control module.
C1A02:23 Rotary Encoder Stuck In Intermediate Position: Signal Stuck Low CLEAR the DTC. REPEAT the self-test. If the DTC returns, enter the ID located on the RDU and program into the PCM.
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