Recall 2023–2024 Sierra 1500/Canyon Engine Control Module (ECM) — N242452131

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Emissions recall · GMC N242452131

This is a recall. It was filed with the government, not just sent to dealers. To see whether your truck is included, enter your VIN at nhtsa.gov/recalls or ask a GMC dealer.

Published: Sep 11, 2026
Applies to: Sierra 1500, Canyon (2023–2024 model years)

Restrictions stated in the source:

• Engine: 2.7L engine
• Equipment: equipped with a 2

Summary (official text)​

Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B). The Engine Control Module (ECM) may not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.

Sources​

• N242452131-02 (PDF, NHTSA document 11037312) — Sep 11, 2026

Details from NHTSA as of Oct 22, 2026. If NHTSA or GMC revises this notice, this post is updated and significant changes are noted in a reply. The linked documents are the authority, and a dealer can confirm whether it applies to your VIN.

Has your dealer done this recall on your truck? Share your model year and engine, how long the repair took, and anything you noticed afterward.

 

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