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Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Action
P0620 Dual generator upper fault detected GO to PINPOINT TEST T .
P1148 Dual generator lower fault detected GO to PINPOINT TEST U .
P1149 Dual generator lower circuit fault detected GO to PINPOINT TEST V .
P0623 Dual generator battery lamp circuit fault detected GO to INSTRUMENT CLUSTER .
P1397 System voltage out of self-test range GO to PINPOINT TEST Q .