July 1, 2021 Service bulletin

Generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control...

Ford technical service bulletin TSB 21-2205 for 2021 Ford F-150.

Bulletin number: TSB 21-2205
Component: Electrical system
Summary: Some 2021 F-150 vehicles equipped with a 5.0L engine, built on or before 23-Apr-2021, and having charging system diagnostics performed in the Workshop Manual (WSM) may experience the generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control module (PCM) PID list in the Ford Diagnosis and Repair System (FDRS). This may be due to a software parameter in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.

Owners of these vehicles have filed 130 complaints in the electrical category.

Vehicles covered

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.