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Service bulletin TSB 20-2370

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10183414
Published by NHTSA2020-12-05
Manufacturer's numberTSB 20-2370
Manufacturer's date2020-11-10
NHTSA componentELECTRICAL SYSTEM:IGNITION:COIL:HIGH TENSION/SPARK PLUG WIRES; ENGINE AND ENGINE COOLING

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Ignition

Trouble codes named

P0300, P0301, P0304, P0316

Vehicles listed
FORD F-532020
FORD F532020

Listing a model year does not mean every vehicle of it is concerned: the document says which.