2022 GMC Sierra 2500HD Problems: 2 Known Issues
2022 model year · 890+ owner reports · Updated September 2026
According to Au7o's analysis of 890+ owner reports, the 2022 GMC Sierra 2500HD has 2 documented known issues, with 1 rated critical. The most serious is Allison 1000/2000 Transmission TCM Failure and Harsh Shifting ($300-$4,500 repair). The most commonly reported issue is Allison 1000/2000 Transmission TCM Failure and Harsh Shifting with 510 owner reports. Across all issues with published estimates, repair costs range from $300 to $4,500. DIY maintenance guides at au7o.io.
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Frequently Asked Questions
What are the most common GMC Sierra 2500HD problems?
According to Au7o's analysis of 890+ owner reports, the 2022 GMC Sierra 2500HD has 2 documented issues. The most frequently reported are: Allison 1000/2000 Transmission TCM Failure and Harsh Shifting, Front Axle Disconnect Actuator and IWE Hub Failure (4WD Engagement Issues). Of these, 1 is rated critical and should be addressed promptly.
Is the GMC Sierra 2500HD reliable?
The 2022 GMC Sierra 2500HD has 2 known issues documented across 890+ owner reports. 1 issue is rated critical: Allison 1000/2000 Transmission TCM Failure and Harsh Shifting. 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 2500HD problems?
Repair costs for known GMC Sierra 2500HD issues range from $300 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Allison 1000/2000 Transmission TCM Failure and Harsh Shifting, typically costs $300-$4,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2011-2025 GMC Sierra 2500HD Allison 1000/2000 Transmission TCM Failure and Harsh Shifting?
The Allison 1000 (gas) and Allison 2000 (diesel) 6-speed automatic transmissions used in Sierra 2500HD/3500HD are widely regarded as extremely durable, but the Transmission Control Module (TCM) and solenoid pack do develop faults. Common issues include harsh 1-2 shifts, transmiss… Repairs typically run $300-$4,500. Severity: high.
What is the 2011-2023 GMC Sierra 2500HD Front Axle Disconnect Actuator and IWE Hub Failure (4WD Engagement Issues)?
Sierra 2500HD 4WD trucks use a front axle disconnect system with an electronic actuator and Integrated Wheel End (IWE) hubs. The actuator motor and position sensor commonly fail between 80,000-120,000 miles, causing the 4WD system to not engage, to partially engage (binding and v… Repairs typically run $350-$1,800. Severity: medium.
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.