Ford F-53 2020 — technical service bulletin
Bulletin TSB 20-2370 · NHTSA communication 10183414 · issued Nov 10, 2020
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
Some 2020 F-53 Motorhome Chassis vehicles equipped with a 7.3L engine may exhibit an illuminated malfunction indicator lamp (MIL) with a misfire or lack of power with diagnostic trouble codes (DTC) P0300, P0316, and/or P0301-P0304 built on or before 28-Sep-2020. This may be due to damaged spark plug wire(s). To correct the condition, follow the service procedure to modify the passenger side engine compartment air baffle and replace the engine spark plug wires.
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.