2019 GMC Sierra 1500 Problems: 5 Known Issues
2019 model year · 1,346+ owner reports · Updated November 2026
According to Au7o's analysis of 1,346+ owner reports, the 2019 GMC Sierra 1500 has 5 documented known issues, with 2 rated critical. The most serious are 8-Speed/10-Speed Transmission Torque Converter Shudder ($150-$4,500 repair) and Misfire or ticking from a collapsed or stuck AFM lifter — bulletin 15-06-01-002O. The most commonly reported issue is 8-Speed/10-Speed Transmission Torque Converter Shudder with 890 owner reports. Across all issues with published estimates, repair costs range from $150 to $4,500. DIY maintenance guides at au7o.io.
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All 5 Known Issues
NHTSA Recalls22 recalls
EXTERIOR LIGHTING:BRAKE LIGHTS
General Motors (GM) has decided that certain 2022 model year Chevrolet Silverado, and GMC Sierra vehicles equipped with an accessory sport bar. The accessory sport bar contains a high-mounted brake light that may not function. In addition, it may block the vehicle's existing high-mounted brake light. As such, these vehicles may fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) number 108, "lamps, reflective devices, and associated equipment."
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
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.
STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL
General Motors, LLC (GM) is recalling certain 2022 GMC Sierra 1500 vehicles equipped with chrome front grille deflectors. The attachments that hold the front grille deflectors in place may fracture, resulting in grille detachment.
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.
+ 17 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common GMC Sierra 1500 problems?
According to Au7o's analysis of 1,346+ owner reports, the 2019 GMC Sierra 1500 has 5 documented issues. The most frequently reported are: 8-Speed/10-Speed Transmission Torque Converter Shudder, Misfire or ticking from a collapsed or stuck AFM lifter — bulletin 15-06-01-002O, Infotainment System Audio Loss and Malfunction. Of these, 2 are rated critical and should be addressed promptly.
Is the GMC Sierra 1500 reliable?
The 2019 GMC Sierra 1500 has 5 known issues documented across 1,346+ owner reports. 2 issues are rated critical: 8-Speed/10-Speed Transmission Torque Converter Shudder and Misfire or ticking from a collapsed or stuck AFM lifter — bulletin 15-06-01-002O. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common GMC Sierra 1500 problems?
Repair costs for known GMC Sierra 1500 issues range from $0 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 8-Speed/10-Speed Transmission Torque Converter Shudder, typically costs $150-$4,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2015-2023 GMC Sierra 1500 8-Speed/10-Speed Transmission Torque Converter Shudder?
The 8L90 8-speed and 10L80/10L90 10-speed automatic transmissions experience shuddering during light throttle acceleration, particularly at highway speeds between 35-60 mph. The issue is caused by the torque converter lock-up clutch slipping and chattering. Harsh shifts between g… Repairs typically run $150-$4,500. Severity: high.
What is the 2014-2019 GMC Sierra 1500 Misfire or ticking from a collapsed or stuck AFM lifter — bulletin 15-06-01-002O?
GM says a misfire, tick noise and check-engine light with P0300 may be caused by an Active Fuel Management lifter that is mechanically collapsed or stuck, internal locking-pin damage from oil aeration, a lifter collapsed and stuck in its bore, or a bent pushrod. 2014 GMC Sierra 1… Severity: high.
What is the 2019-2023 GMC Sierra 1500 Infotainment System Audio Loss and Malfunction?
The infotainment system experiences intermittent complete audio loss affecting stereo, turn signals, and safety warning sounds. The audio system may randomly go to maximum volume and cannot be controlled. OTA software updates have caused additional issues including erratic blinke… Repairs typically run $0-$2,500. Severity: medium.
What is the 2014-2019 GMC Sierra 1500 Intermittent crank-no-start with P0011 from a sticking cam actuator solenoid — GM information PIP5130K?
GM tells technicians that the camshaft position actuator solenoid valve may stick or bind, holding the valve timing retarded, which can cause an intermittent crank-no-start with code P0011 and/or P00C6 stored. GM says the engine may sound like it is cranking fast and fuel rail pr… Severity: medium.
What is the 2019-2020 GMC Sierra 1500 4.3L LV3 false P0128 code — ECM calibration bulletin 20-NA-167?
GM identifies a P0128 diagnostic that can run at the wrong time and falsely set the code, illuminating the malfunction indicator light. This source does not establish a stuck thermostat on earlier Sierra generations. 2019–2020 GMC Sierra 1500 New Model with the 4.3L LV3 gasoline… Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.