TSB: PIERCE ARROW XT, COMMERCIAL, DASH, DASH CF, ENFORCER, F550, FREIGHTLINER, IMPEL, INTERNATIONAL, LADDER AND PLATFORM, M2-106, M2-112, PUMPER, QUANTUM, SABER, TANKER, VELOCITY (2016-2022)

Bulletin SB_654 - December 19, 2023

Bulletin Details

Bulletin IDSB_654
ManufacturerPIERCE
ModelsARROW XT, COMMERCIAL, DASH, DASH CF, ENFORCER, F550, FREIGHTLINER, IMPEL, INTERNATIONAL, LADDER AND PLATFORM, M2-106, M2-112, PUMPER, QUANTUM, SABER, TANKER, VELOCITY
Model Years2016-2022
Date IssuedDecember 19, 2023
Date Added to NHTSAJanuary 12, 2024
ComponentENGINE AND ENGINE COOLING
Vehicles Affected160 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

Detroit recently released an ACM software update v7.61.2.0 to address high occurrences of Selective Catalyst Reduction Closed Loop Control at Maximum Limit faults on Pierce apparatus with MY2016 a?? 2022 Detroit engines. The updated softwa

Affected Vehicles

MakeModelYearComponent
PIERCE ARROW XT 2022 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2022 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2022 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE F550 2022 060000 ENGINE AND ENGINE COOLING
PIERCE F550 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE FREIGHTLINER 2022 060000 ENGINE AND ENGINE COOLING
PIERCE FREIGHTLINER 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2022 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE INTERNATIONAL 2022 060000 ENGINE AND ENGINE COOLING
PIERCE INTERNATIONAL 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2022 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE M2-106 2022 060000 ENGINE AND ENGINE COOLING
PIERCE M2-106 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE M2-112 2022 060000 ENGINE AND ENGINE COOLING
PIERCE M2-112 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2022 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2022 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2022 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2022 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ARROW XT 2021 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2021 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2021 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE FREIGHTLINER 2021 060000 ENGINE AND ENGINE COOLING
PIERCE FREIGHTLINER 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2021 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE INTERNATIONAL 2021 060000 ENGINE AND ENGINE COOLING
PIERCE INTERNATIONAL 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2021 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2021 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2021 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2021 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ARROW XT 2020 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH 2020 060000 ENGINE AND ENGINE COOLING
PIERCE DASH 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2020 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2020 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE FREIGHTLINER 2020 060000 ENGINE AND ENGINE COOLING
PIERCE FREIGHTLINER 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2020 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE INTERNATIONAL 2020 060000 ENGINE AND ENGINE COOLING
PIERCE INTERNATIONAL 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2020 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2020 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2020 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2020 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ARROW XT 2019 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH 2019 060000 ENGINE AND ENGINE COOLING
PIERCE DASH 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2019 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2019 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2019 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2019 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE PUMPER 2019 060000 ENGINE AND ENGINE COOLING
PIERCE PUMPER 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2019 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2019 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE TANKER 2019 060000 ENGINE AND ENGINE COOLING
PIERCE TANKER 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2019 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2019 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ARROW XT 2018 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE COMMERCIAL 2018 060000 ENGINE AND ENGINE COOLING
PIERCE COMMERCIAL 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH 2018 060000 ENGINE AND ENGINE COOLING
PIERCE DASH 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2018 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2018 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE FREIGHTLINER 2018 060000 ENGINE AND ENGINE COOLING
PIERCE FREIGHTLINER 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2018 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2018 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2018 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2018 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2018 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2018 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ARROW XT 2017 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE COMMERCIAL 2017 060000 ENGINE AND ENGINE COOLING
PIERCE COMMERCIAL 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH 2017 060000 ENGINE AND ENGINE COOLING
PIERCE DASH 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2017 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2017 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE FREIGHTLINER 2017 060000 ENGINE AND ENGINE COOLING
PIERCE FREIGHTLINER 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2017 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2017 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2017 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2017 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2017 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2017 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ARROW XT 2016 060000 ENGINE AND ENGINE COOLING
PIERCE ARROW XT 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE COMMERCIAL 2016 060000 ENGINE AND ENGINE COOLING
PIERCE COMMERCIAL 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH 2016 060000 ENGINE AND ENGINE COOLING
PIERCE DASH 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE DASH CF 2016 060000 ENGINE AND ENGINE COOLING
PIERCE DASH CF 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE ENFORCER 2016 060000 ENGINE AND ENGINE COOLING
PIERCE ENFORCER 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE FREIGHTLINER 2016 060000 ENGINE AND ENGINE COOLING
PIERCE FREIGHTLINER 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE IMPEL 2016 060000 ENGINE AND ENGINE COOLING
PIERCE IMPEL 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE LADDER AND PLATFORM 2016 060000 ENGINE AND ENGINE COOLING
PIERCE LADDER AND PLATFORM 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE PUMPER 2016 060000 ENGINE AND ENGINE COOLING
PIERCE PUMPER 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE QUANTUM 2016 060000 ENGINE AND ENGINE COOLING
PIERCE QUANTUM 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE SABER 2016 060000 ENGINE AND ENGINE COOLING
PIERCE SABER 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE TANKER 2016 060000 ENGINE AND ENGINE COOLING
PIERCE TANKER 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
PIERCE VELOCITY 2016 060000 ENGINE AND ENGINE COOLING
PIERCE VELOCITY 2016 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Related PIERCE Recalls

CampaignModelYearComponentSummary
ARROW XT 2025 ELECTRICAL SYSTEM:SOFTWARE Pierce Manufacturing (Pierce) is recalling certain 2015-2026 Arrow XT, Enforc...
ENFORCER 2023 ELECTRICAL SYSTEM:SOFTWARE Pierce Manufacturing (Pierce) is recalling certain 2015-2026 Arrow XT, Enforc...
VELOCITY 2021 ELECTRICAL SYSTEM:SOFTWARE Pierce Manufacturing (Pierce) is recalling certain 2015-2026 Arrow XT, Enforc...
VELOCITY 2022 ELECTRICAL SYSTEM:SOFTWARE Pierce Manufacturing (Pierce) is recalling certain 2015-2026 Arrow XT, Enforc...
IMPEL 2017 ELECTRICAL SYSTEM:SOFTWARE Pierce Manufacturing (Pierce) is recalling certain 2015-2026 Arrow XT, Enforc...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized PIERCE dealer. Bring this bulletin ID (SB_654) 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.