Ford Fiesta PowerShift TCM software fault P17F2
Transmission warning light with fault code P17F2 stored in the TCM. The vehicle enters limp mode and limits to a single gear. The PowerShift TCM is prone to software corruption, particularly after battery disconnection or jump starting. A TCM software reflash by a Ford dealer often resolves the fault without hardware replacement. If the TCM hardware has failed, replacement units must be coded to the vehicle VIN.
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