Certain vehicles equipped with Accessory Exhaust Upgrade, (RPO WBC), may
GMC technical service bulletin N222367511 for 2022 GMC Sierra 1500.
- Bulletin number
- N222367511
- Component
- Engine and engine cooling: exhaust system
- Summary
- Certain vehicles equipped with Accessory Exhaust Upgrade, (RPO WBC), may cause damage to the rear fascia. Dealers will inspect the exhaust and replace if necessary. The rear fascia, parking sensor and wiring will be replaced, if damaged.
Owners of these vehicles have filed 270 complaints in the engine category.
Vehicles covered
- GMC Sierra 1500 2022 2022
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