TSB: ISUZU F-SERIES, FTR, N-SERIES, NPR, NPR HD, NPR XD, NQR, NRR, REACH (2011–2021)

Bulletin IB10X004L — August 1, 2021

Bulletin Details

Bulletin IDIB10X004L
ManufacturerISUZU
ModelsF-SERIES, FTR, N-SERIES, NPR, NPR HD, NPR XD, NQR, NRR, REACH
Model Years2011–2021
Date IssuedAugust 1, 2021
Date Added to NHTSASeptember 27, 2021
ComponentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Vehicles Affected154 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

In an effort for continuous improvement, Isuzu has a need to obtain Mimamori ECU

Affected Vehicles

MakeModelYearComponent
ISUZU F-SERIES 2021 350000 EQUIPMENT
ISUZU F-SERIES 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU FTR 2021 350000 EQUIPMENT
ISUZU FTR 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2021 350000 EQUIPMENT
ISUZU N-SERIES 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2021 350000 EQUIPMENT
ISUZU NRR 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU F-SERIES 2020 350000 EQUIPMENT
ISUZU F-SERIES 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU FTR 2020 350000 EQUIPMENT
ISUZU FTR 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2020 350000 EQUIPMENT
ISUZU N-SERIES 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2020 350000 EQUIPMENT
ISUZU NPR 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2020 350000 EQUIPMENT
ISUZU NPR HD 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2020 350000 EQUIPMENT
ISUZU NPR XD 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2020 350000 EQUIPMENT
ISUZU NQR 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2020 350000 EQUIPMENT
ISUZU NRR 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU F-SERIES 2019 350000 EQUIPMENT
ISUZU F-SERIES 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU FTR 2019 350000 EQUIPMENT
ISUZU FTR 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2019 350000 EQUIPMENT
ISUZU N-SERIES 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2019 350000 EQUIPMENT
ISUZU NPR 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2019 350000 EQUIPMENT
ISUZU NPR HD 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2019 350000 EQUIPMENT
ISUZU NPR XD 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2019 350000 EQUIPMENT
ISUZU NQR 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2019 350000 EQUIPMENT
ISUZU NRR 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU F-SERIES 2018 350000 EQUIPMENT
ISUZU F-SERIES 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU FTR 2018 350000 EQUIPMENT
ISUZU FTR 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2018 350000 EQUIPMENT
ISUZU N-SERIES 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2018 350000 EQUIPMENT
ISUZU NPR 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2018 350000 EQUIPMENT
ISUZU NPR HD 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2018 350000 EQUIPMENT
ISUZU NPR XD 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2018 350000 EQUIPMENT
ISUZU NQR 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2018 350000 EQUIPMENT
ISUZU NRR 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2018 350000 EQUIPMENT
ISUZU REACH 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2017 350000 EQUIPMENT
ISUZU N-SERIES 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2017 350000 EQUIPMENT
ISUZU NPR 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2017 350000 EQUIPMENT
ISUZU NPR HD 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2017 350000 EQUIPMENT
ISUZU NPR XD 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2017 350000 EQUIPMENT
ISUZU NQR 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2017 350000 EQUIPMENT
ISUZU NRR 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2017 350000 EQUIPMENT
ISUZU REACH 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2016 350000 EQUIPMENT
ISUZU N-SERIES 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2016 350000 EQUIPMENT
ISUZU NPR 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2016 350000 EQUIPMENT
ISUZU NPR HD 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2016 350000 EQUIPMENT
ISUZU NPR XD 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2016 350000 EQUIPMENT
ISUZU NQR 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2016 350000 EQUIPMENT
ISUZU NRR 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2016 350000 EQUIPMENT
ISUZU REACH 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2015 350000 EQUIPMENT
ISUZU N-SERIES 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2015 350000 EQUIPMENT
ISUZU NPR 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2015 350000 EQUIPMENT
ISUZU NPR HD 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2015 350000 EQUIPMENT
ISUZU NPR XD 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2015 350000 EQUIPMENT
ISUZU NQR 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2015 350000 EQUIPMENT
ISUZU NRR 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2015 350000 EQUIPMENT
ISUZU REACH 2015 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2014 350000 EQUIPMENT
ISUZU N-SERIES 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2014 350000 EQUIPMENT
ISUZU NPR 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2014 350000 EQUIPMENT
ISUZU NPR HD 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2014 350000 EQUIPMENT
ISUZU NPR XD 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2014 350000 EQUIPMENT
ISUZU NQR 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2014 350000 EQUIPMENT
ISUZU NRR 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2014 350000 EQUIPMENT
ISUZU REACH 2014 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2013 350000 EQUIPMENT
ISUZU N-SERIES 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2013 350000 EQUIPMENT
ISUZU NPR 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2013 350000 EQUIPMENT
ISUZU NPR HD 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2013 350000 EQUIPMENT
ISUZU NPR XD 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2013 350000 EQUIPMENT
ISUZU NQR 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2013 350000 EQUIPMENT
ISUZU NRR 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2013 350000 EQUIPMENT
ISUZU REACH 2013 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2012 350000 EQUIPMENT
ISUZU N-SERIES 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2012 350000 EQUIPMENT
ISUZU NPR 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2012 350000 EQUIPMENT
ISUZU NPR HD 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR XD 2012 350000 EQUIPMENT
ISUZU NPR XD 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2012 350000 EQUIPMENT
ISUZU NQR 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2012 350000 EQUIPMENT
ISUZU NRR 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU REACH 2012 350000 EQUIPMENT
ISUZU REACH 2012 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU F-SERIES 2011 350000 EQUIPMENT
ISUZU F-SERIES 2011 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU N-SERIES 2011 350000 EQUIPMENT
ISUZU N-SERIES 2011 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR 2011 350000 EQUIPMENT
ISUZU NPR 2011 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NPR HD 2011 350000 EQUIPMENT
ISUZU NPR HD 2011 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NQR 2011 350000 EQUIPMENT
ISUZU NQR 2011 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
ISUZU NRR 2011 350000 EQUIPMENT
ISUZU NRR 2011 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Related ISUZU Recalls

CampaignModelYearComponentSummary
NPR XD 2025 ELECTRICAL SYSTEM:WIRING Isuzu Motors Limited (Isuzu) is recalling certain 2025-2027 Chevrolet Low Cab...
CHEVROLET LCF 5500XD 2026 ELECTRICAL SYSTEM:WIRING Isuzu Motors Limited (Isuzu) is recalling certain 2025-2027 Chevrolet Low Cab...
NPR XD 2026 ELECTRICAL SYSTEM:WIRING Isuzu Motors Limited (Isuzu) is recalling certain 2025-2027 Chevrolet Low Cab...
NPR HD 2026 ELECTRICAL SYSTEM:WIRING Isuzu Motors Limited (Isuzu) is recalling certain 2025-2027 Chevrolet Low Cab...
NPR HD 2025 ELECTRICAL SYSTEM:WIRING Isuzu Motors Limited (Isuzu) is recalling certain 2025-2027 Chevrolet Low Cab...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized ISUZU dealer. Bring this bulletin ID (IB10X004L) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.