# Transport Canada recall 2021407

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: Transport Canada \(Canada\)
- Campaign number: 2021407
- Manufacturer's number: N212329840
- Reported: 2021\-07\-01
- Component: Electrical
- Notification type: Safety Mfr
- Units potentially affected: 36376

## What is wrong

Issue:

On certain vehicles, a small coolant leak could cause the engine block\-heater cable to short circuit while plugged in.

Note: This recall only affects trucks equipped with a 6.6 L diesel engine and an optional block\-heater power cable. This recall replaces Transport Canada Recall \# 2019\-204. All vehicles repaired under that recall require a second repair.

Safety Risk:

A short circuit could cause damage to engine components and create the risk of a fire.

Corrective Action:

General Motors will notify owners by mail. The corrective actions for this recall are under development. Do not use your engine\-block heater until the repairs are performed.


## Vehicles this campaign lists

- [2017 CHEVROLET SILVERADO HD](/makes/chevrolet/silverado/2017/recalls.md). Listed as a series or trim of this model.
- [2018 CHEVROLET SILVERADO HD](/makes/chevrolet/silverado/2018/recalls.md). Listed as a series or trim of this model.
- [2019 CHEVROLET SILVERADO HD](/makes/chevrolet/silverado-hd/2019/recalls.md)
- [2017 GMC SIERRA HD](/makes/gmc/sierra/2017/recalls.md). Listed as a series or trim of this model.
- [2018 GMC SIERRA HD](/makes/gmc/sierra/2018/recalls.md). Listed as a series or trim of this model.
- [2019 GMC SIERRA HD](/makes/gmc/sierra-hd/2019/recalls.md)

## Bulletins for the same vehicles and component

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

- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin
- [18\-NA\-180](/bulletins/11023365.md), 2025-09-26, Service bulletin
- [25\-NA\-087](/bulletins/11017595.md), 2025-05-02, Service bulletin
- [13\-08\-116\-001K](/bulletins/11017244.md), 2025-04-25, Service bulletin
- [24\-NA\-098](/bulletins/11017207.md), 2025-04-24, Service bulletin
- [15\-06\-03\-001F](/bulletins/11017031.md), 2025-04-15, Service bulletin
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin
- [18\-NA\-180](/bulletins/11013239.md), 2025-01-30, Service bulletin
- [17\-NA\-331](/bulletins/11013149.md), 2025-01-28, Service bulletin
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, 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)

Contains information licensed under the Open Government Licence – Canada.

JSON: [/v1/recalls/tc/2021407](/v1/recalls/tc/2021407)

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