Cummins, Inc.: Safety Recalls in 2021
Updated on March 19, 2026.
There were 12 safety recalls made by Cummins, Inc. in 2021. See the details of the recalls below.
You can also see similar information for other manufacturers.
Data Source: NHTSA.
December 1, 2021
(Campaign #: C2532)
Fuel Tubes May Crack and Leak Fuel
Cummins, Inc. (Cummins) is recalling certain X12 Diesel Engines, with part numbers D0S3005BX03 and D0S3009BX03. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may fatigue and crack, which can result in a high pressure fuel leak.
NHTSA ID: 21E099000
Component: FUEL SYSTEM, DIESEL
# of Units Affected: 10,938
Consequence Summary:
A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.
Corrective Action:
On engines with 75 miles or less, dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters were mailed March 11, 2022. Owners may contact Cummins customer service at 1-800-286-6467. Cummins' number for this recall is C2532.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 69.71
November 16, 2021
(Campaign #: C4776)
Circuit Breaker May Not Function Properly
Cummins Inc. (Cummins) is recalling certain 2019-2021 Power Generation C70D2RE and C100D2RE trailer-mounted generator sets. Certain Molded Case Circuit Breakers (MCCBs) may have been manufactured improperly, which can result in inadequate circuit protection.
NHTSA ID: 21V888000
Component: ELECTRICAL SYSTEM
# of Units Affected: 847
Consequence Summary:
Inadequate circuit protection can increase the risk of personal injury or fire.
Corrective Action:
Cummins will inspect and replace the circuit breakers, as necessary, free of charge. Owner notification letters were mailed January 14, 2022. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C4776.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 61.86
September 3, 2021
(Campaign #: C2491)
Shutdown Override Switch May Not Function
Cummins, Inc. (Cummins) is recalling certain Electric Drivetrain Systems, model number BES CM2450 EV101B, and part number D1U0001BX03. When a system shutdown occurs, the high voltage shutdown override switch may not function, with no warning to the driver.
NHTSA ID: 21E083000
Component:
# of Units Affected: 30
Consequence Summary:
An unexpected vehicle shutdown without the ability to override it, can increase the risk of a crash.
Corrective Action:
Dealers will inspect and update as necessary, the parameter settings for the protection override switch, free of charge. Owner notification letters were mailed October 8, 2021. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C2491.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
August 17, 2021
(Campaign #: 4495)
Improperly Crimped Lifting Cable
Cummins, Inc. (Cummins) is recalling certain generator sets, model 6RBAB, 10RBAB, 15RBAB, and 8RBAB. The lifting cables may be improperly crimped.
NHTSA ID: 21E075000
Component:
# of Units Affected: 29
Consequence Summary:
An improperly crimped cable may come out of place during a lifting operation, possibly causing the generator set to fall, increasing the risk of injury.
Corrective Action:
Dealers will inspect the lifting cable, and either replace the cable, or install a warning label, free of charge. Owner notification letters were mailed October 8, 2021. Owners may contact Cummins' customer service at 1-800-286-6467. Cummins number for this recall is 4495.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 39.29
July 13, 2021
(Campaign #: C2465)
Fuel Hose Leak
Cummins, Inc. (Cummins) is recalling certain L9 Diesel Engines, with part number D563027BX03, that are equipped with a remote Stage 2 fuel filter and pressurized hoses. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
NHTSA ID: 21E063000
Component: FUEL SYSTEM, DIESEL
# of Units Affected: 2,922
Consequence Summary:
A fuel leak in the presence of an ignition source increases the risk of a fire.
Corrective Action:
Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed September 3, 2021. Owners may contact Cummins' customer service at 1-800-286-6467. Cummins number for this recall is C2465.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 66.37
June 29, 2021
(Campaign #: NR (Not Reported))
Excessive Ammonia in Tailpipe Exhaust
Cummins, Inc. (Cummins) is recalling certain L9 Diesel Engines, with part number D563027BX03. The engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia into the tailpipe exhaust.
NHTSA ID: 21E060000
Component: ENGINE AND ENGINE COOLING
# of Units Affected: 494
Consequence Summary:
Exposure to high levels of ammonia can increase the risk of injury.
Corrective Action:
Dealers will recalibrate the engine, free of charge. Owner notification letters were mailed August 20, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 86.13
June 22, 2021
(Campaign #: C2449)
High Pressure Fuel Rail Assembly May Leak Fuel
Cummins, Inc. (Cummins) is recalling certain ISL remanufactured diesel engines sold as replacement equipment. Please see the Part 573 report for a full list of part numbers. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
NHTSA ID: 21E055000
Component: FUEL SYSTEM, DIESEL
# of Units Affected: 4,413
Consequence Summary:
A fuel leak in the presence of an ignition source increases the risk of a fire.
Corrective Action:
Dealers will inspect the rail threads and fuel lines for damage, and replace the rail as necessary, free of charge. Owner letters were mailed on September 24, 2021. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C2449.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 46.66
April 20, 2021
(Campaign #: NR (Not Reported))
High Pressure Fuel Rail Assembly May Leak Fuel
Cummins, Inc. (Cummins) is recalling certain L9 part number D0K3003BX03 and ISX12 part number D563025BX03 diesel engines. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
NHTSA ID: 21E032000
Component: FUEL SYSTEM, DIESEL
# of Units Affected: 45,334
Consequence Summary:
A fuel leak in the presence of an ignition source increases the risk of a fire.
Corrective Action:
Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner letters were mailed July 30, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 77.5
April 20, 2021
(Campaign #: NR (Not Reported))
Drivetrain Malfunction Can Cause Loss of Power
Cummins, Inc. (Cummins) is recalling certain PowerDrive EV part numbers 4000EV, 6000EV, and 7000EV electric drivetrains. The drivetrain may experience an electromagnetic noise on the Control Area Network (CAN) bus, which can cause a loss of electrical power to the power steering pump.
NHTSA ID: 21E033000
Component:
# of Units Affected: 329
Consequence Summary:
A loss of assisted power steering increases the risk of a crash.
Corrective Action:
Dealers will replace the High Voltage Low Power Inverter Harness, and install an overlay harness, free of charge. Owners notification letters were mailed October 25, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 98.75
March 30, 2021
(Campaign #: NR (Not Reported))
Isolation Faults Can Go Undetected in Drivetrain
Cummins, Inc. (Cummins) is recalling certain Electric Drivetrain part number PD7000. The electric drive train cannot detect isolation faults when the high voltage contactors are closed.
NHTSA ID: 21E024000
Component: ELECTRICAL SYSTEM
# of Units Affected: 339
Consequence Summary:
An undetected high voltage isolation can expose service personnel to high voltage, increasing the risk of injury.
Corrective Action:
Cummins will notify owners, and dealers will update the Vehicle Control Unit software or install a different combination of High Voltage Power Distribution Unit hardware, free of charge. Owner letters were mailed October 25, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 98.48
February 17, 2021
(Campaign #: C2409)
Engine Control Module Calibrated Incorrectly
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.
NHTSA ID: 21E014000
Component:
# of Units Affected: 267
Consequence Summary:
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.
Corrective Action:
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 76.92
February 4, 2021
(Campaign #: C2402)
Flywheel Capscrews Not Tightened Properly
Cummins, Inc. (Cummins) is recalling certain X15 diesel engines, part number D103109BX03. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.
NHTSA ID: 21E009000
Component:
# of Units Affected: 251
Consequence Summary:
A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.
Corrective Action:
Cummins will notify owners, and dealers will properly torque the capscrews and inspect for possible damage and, if necessary, repair any damage found, free of charge. The recall began March 29, 2021. Owners may contact Cummins customer service at 1-800-286-6467. Cummin's number for this recall is C2402.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 89.58
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