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Recalls and bulletins
Duramax 3.0 (LM2/LZ0) recalls and service bulletins
2 NHTSA safety recalls name this engine, and we document 3 manufacturer bulletins, programs or coverages tied to its known failures. Each entry shows the campaign number, the model years, what was wrong and what the fix is.
Check a specific truck: enter its VIN at
nhtsa.gov/recalls for open safety recalls, and ask a dealer about emissions recalls and coverage programs, which NHTSA's lookup does not always show. Recall repairs are free on an eligible VIN.
Safety recalls (NHTSA)
Newest first. NHTSA's own summary and remedy text, for the models and years this engine was sold in.
25V-619
Safety recall
September 18, 2025 · maker's number N252512770 · 2021-2024
General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, 2021, 2023-2024 Chevrolet Tahoe, and 2022 and 2024 GMC Yukon vehicles equipped with a 6-cylinder diesel engine. The original fuel tank may have been replaced with an incorrect fuel tank, which can allow fuel to leak in a rollover crash.
Risk and remedy
Risk: A fuel leak in the presence of an ignition source increases the risk of a vehicle fire.
Remedy: Dealers will inspect for the correct fuel tank and replace it, if necessary, free of charge. Owner notification letters were mailed November 5, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252512770. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on September 18, 2025.
Models in our scope: ESCALADE, TAHOE, YUKON
24V-797
Safety recall
October 24, 2024 · maker's number N242454440 · 2020-2022
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
Risk and remedy
Risk: Rear wheel lock-up can increase the risk of a crash.
Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.
Models in our scope: ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL
Failure mode: Transmission control valve failure and rear-wheel lock-up (recall 24V-797)
Bulletins, programs and coverage
Manufacturer service bulletins, special coverages, programs and emissions recalls that bear on this engine's documented failures. Identifier, date and scope only; bulletin text is the manufacturer's.
direct; our NHTSA bulletin registry copy ends with 2024, the bulletin is identified from legal and trade-press coverage
Failure mode: LZ0 crankshaft thrust bearing failure (GM bulletin 25-NA-307)
GM TSB MC-10165111 (2019) - 3.0L Duramax EGR/turbo coolant circuit service information
Failure mode: EGR system failures: valve, cooler, wiring (derate-prone)
GM Special Coverage N252508341 (September 2025) - LM2 3.0L Duramax coolant control valve; coverage only when onboard diagnostics confirm the valve as root cause
Failure mode: Coolant flow control valve failure (active thermal management)