Campaign 22V-508

Programming error in the ECM software calibration, resulted in the vehicles not having engine braking functionality

Defect summary

Isuzu Motors Limited (Isuzu) is recalling certain 2022 FTR and FVR trucks. A programming error in the ECM software calibration, resulted in the vehicles not having engine braking functionality.

Consequence

Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash.

Remedy

Dealers will reprogram the ECM with the corrected calibration, free of charge. Owner notification letters are expected to be mailed on September 1, 2022. Owners may contact Isuzu's customer service at 1-866- 441-9638. Isuzu's number for this recall is V2204.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 22V508000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about engine and cooling on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 22V-508
Make	Model	Model years	Complaints on this component
Isuzu	FTR	2022	0
Isuzu	FVR	2022	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

25V-217 Apr 28, 2025
Due to a mix of incompatible coolants, debris may build up in the cooling system, causing the cooling pump to fail
01I-002 May 29, 2001
This is not a safety recall in accordance with the safety act
00V-376 Nov 14, 2000
Vehicle description: sport utility vehicles equipped with 4-wheel drive and automatic transmissions built with tod (torque-on-demand)
94V-132 Jul 19, 1994
Constant expansion and contraction of the cylinder head causes the camshaft seal end plug can become dislodged from the cylinder head
90V-166 Sep 20, 1990
Improperly installed hose on the oil cooler could come in contact with the exhaust manifold and could melt
90V-081 May 15, 1990
At high engine speeds, the cooling fan adapter plate, which connects the cooling fan and the fan pulley, has insufficient strength, allowing…