Ford F-150 2021 — technical service bulletin
Bulletin TSB 22-2243 · NHTSA communication 10214762 · issued Jun 27, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Some 2021 F-150 vehicles built on or before 06-Dec-2021 equipped with a Pro Power Onboard inverter system may experience Ground Fault Detected message displayed after performing the test function and/or Breaker Tripped message displayed that indicates the incorrect breaker location. This may be due to the software in the accessory protocol interface module (APIM). To correct the condition, follow the Service Procedure steps to reprogram the APIM.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.