Peterbilt 536 Recalled for Engine Control Module Software Defect
PACCAR is recalling one 2021 Peterbilt 536 truck because incorrect engine software may prevent safety features like braking and stability control from functioning properly.
What this means for you
Our assessment, not the agency’s: severity 4/5 (Severe).
The hazard poses a serious risk of illness, injury, or structural failure. Stop using the product immediately and contact the manufacturer for a refund or repair.
Our severity reasoning: The recall involves a structural vehicle defect affecting critical safety systems like braking and stability control, which aligns with the rubric criteria for a Severe rating.
Plain-English summary
PACCAR Incorporated is recalling one 2021 Peterbilt 536 vehicle equipped with a Cummins Westport Inc. B6.7N engine. The recall addresses a defect in the engine control module (ECM) software calibration.
The incorrect software calibration may cause the engine to fail to limit engine speed or torque as intended. This malfunction can interfere with safety-related functions, including vehicle braking, traction and stability control, speed control, and collision avoidance. If these systems do not function properly, the risk of a crash increases.
PACCAR owns the affected vehicle, and it was repaired as of March 3, 2021. Owners may contact PACCAR customer service at 1-940-591-4220 for more information. PACCAR's number for this recall is 21PBC. Owners may also contact the NHTSA Vehicle Safety Hotline at 1-888-327-4236 or visit www.safercar.gov.
The recalled product
- Product
- PETERBILT 536
- Brand
- PETERBILT
- Manufacturer
- PACCAR Incorporated
- Category
- Vehicle — Truck
- Affected units
- 1
Is your product affected?
Check your packaging against the codes below. If any of them match, the product is part of this recall.
Model numbers (1)
- 536
Distribution
Distributed nationwide across the United States.
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