CUMMINS CUMMINS B6.7N Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
CUMMINS B6.7N
Brand
CUMMINS
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Cummins, Inc. is recalling certain CUMMINS B6.7N equipment due to engine and engine cooling:engine:engine control module (ecu/ecm):software issues. If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a.
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Cummins, Inc. (Cummins) is recalling certain Cummins Westport Inc. B6.7N natural gas engines (part number D1H3001BX03) equipped with certain engine control module calibrations. The engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain safety-related functions such as vehicle braking, traction and stability control, speed control, or collision avoidance.
Reported concern (NHTSA)
If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a crash.
Recommended Action
Per NHTSA guidance
Cummins will notify manufacturers and owners, and dealers will recalibrate the engine control module, free of charge. The recall began April 9, 2021. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C2409.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026