U0645

Lost Communication With Active Air Dam Module

NHTSA 10223809 ↗ NHTSA 10226042 ↗

RAM

Active Air Dam Diagnostic Trouble Codes (DTC) U0645, C0604.

RAM

Active Air Dam Not Functioning - X96 Warranty Extension This bulletin involves replacing the active front air dam. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find thatthe following Diagnostic Trouble Code (DTC) has been set: U0645 - Lost Communication W…

RAM

Active Air Dam Not Functioning - X96 Warranty Extension This bulletin involves replacing the active front air dam. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find thatthe following Diagnostic Trouble Code (DTC) has been set: U0645 - Lost Communication W…

FORD

Some 2021-2022 F-150 vehicles equipped with a 2.7L EcoBoost engine may experience a Check Charging System message displayed in the instrument panel cluster (IPC). The following diagnostic trouble codes (DTCs) may also be stored in the powertrain control module (PCM): U012D, U042E, U0284, U0285, and/or U0645. This may be due to l…