# NHTSA recall 21V346000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 21V346000
- Manufacturer's number: N202325530
- Manufacturer: General Motors, LLC
- Reported: 2021\-05\-13
- Owners notified: 2021\-06\-07
- Component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE
- Units potentially affected: 196
- Part numbers: 12711272\-73, 12711280, 12711868\-69, 12711876\-77, 12711884, 12712876\-77, 12712884\-85, 12712892, 12704406\-07, 12704414, 12706383, 12706391, 12706398, 12706459, 12708709, 12710634, 12711264\-65, 12701032, 12701033, 12701040\-41, 12701048, 12701250, 12702471\-72, 12702479\-80, 12702487, 12704398\-99, 12684346\-47, 12684354\-55, 12684371, 12684416, 12698996\-97, 12699004\-05, 12699012, 12699062

## What is wrong

General Motors, LLC \(GM\) is recalling certain 2019\-2020 Chevrolet 6500HD vehicles.  The engine control module \(ECM\) was calibrated incorrectly, allowing the vehicle to exceed the tires' maximum speed rating of 75 mph.


## What can happen

Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.


## The remedy

Dealers will update the ECM software, free of charge.  Owner notification letters were mailed June 7, 2021.  Owners may contact Chevrolet customer service at 1\-800\-222\-1020.  GM's number for this recall is N202325530.


## 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.safercar.gov.


## Remedy progress the manufacturer reported

- Report: Annual report 3, for 2025 quarter 2 to 2026 quarter 1
- Filed with NHTSA: 2026\-04\-10
- Vehicles in the campaign: 196
- Reported remedied: 182 \(92%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 1, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026\-10\-19.

## Vehicles this campaign lists

- 2019 CHEVROLET 6500
- [2019 CHEVROLET SILVERADO 6500](/makes/chevrolet/silverado/2019/recalls.md). Listed as a series or trim of this model.

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [PIT5687A](/bulletins/10249954.md), 2024-02-12, Service bulletin
- [PIP5628F](/bulletins/10236164.md), 2023-05-15, Service bulletin
- [N222372592](/bulletins/10228951.md), 2023-01-07, Service bulletin
- [21NA113](/bulletins/10214207.md), 2022-06-21, Service bulletin
- [20NA090](/bulletins/10214199.md), 2022-06-21, Service bulletin
- [20NA197](/bulletins/10212562.md), 2022-05-31, Service bulletin
- [21NA257](/bulletins/10207917.md), 2022-02-14, Service bulletin
- [21NA256](/bulletins/10207916.md), 2022-02-14, Service bulletin
- [N212333800](/bulletins/10200187.md), 2021-08-09, Service bulletin
- [21NA139](/bulletins/10200140.md), 2021-08-09, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/21V346000](/v1/recalls/nhtsa/21V346000)

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