2021 Gmc Savana problems, complaints & recalls
Most-reported problem areas: Steering (2)
Safety recalls (3)
Electrical System:wiring 2023-04-06 · campaign 23V247000 · 150,830 vehicles
Defect: General Motors, LLC (GM) is recalling certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles equipped with wiring for an optional rear heating, ventilation, and air-conditioning (HVAC) system. When the HVAC blower motor circuit is left unused with exposed connectors and wiring, the circuit can corrode and overheat.
Risk: An overheated electrical circuit increases the risk of a fire.
Fix: Dealers will properly seal the rear HVAC blower motor circuits at the left side B-pillar, free of charge. Owner notification letters were mailed May 2, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GMC's number for this recall is N222386050.
Electrical System:12v/24v/48v Battery:cables 2021-03-18 · campaign 21V189000 · 10,154 vehicles ⚠ PARK OUTSIDE
Defect: General Motors, LLC (GM) is recalling certain 2021 Chevrolet Express and GMC Savana vehicles equipped with 6.6L gasoline engines. The positive battery cable terminals may contact a fuse block assembly attachment post and cause an electrical short circuit.
Risk: A short-circuit can increase the risk of a fire.
Fix: Owners are advised to park their vehicles outside and away from structures until the repair is complete. GM will notify owners, and dealers will remove a portion of the anti-rotation tab on both positive battery cable terminals near the fuse block assembly attachments, free of charge. If too much of the tab had been removed during prior servicing, the battery cable will be replaced, free of charge. The recall began April 16, 2021. Owners may contact Chevrolet customer service at 1-800-222-10
Tires 2021-02-25 · campaign 21V115000 · 33,838 vehicles
Defect: General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
Risk: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Service bulletins (649)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-08-20 · PIC6551C · Service Bulletin/Repair Instructions
this preliminary information communicates to dealer to perform a mec reset for wireless projection issues
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-06-23 · PIT5966F · Service Bulletin/Repair Instructions
this preliminary information communicates an issue with an ota pending message still displayed after an ota event and how to reset/clear the message.
Unknown Or Other 2026-05-11 · PIC6423A · Service Bulletin/Repair Instructions
pi created to provide gm dealers with information on gathering information for projection issue
Showing the 6 most recent of 649 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-07-01 · Steering“power steering lines leaking and hydroboost. third vehicle in fleet with 64000 miles and same issue. …”
2024-03-11 · Steering · 54,000 mi“the contact owns a 2021 gmc savana. the contact stated while driving at undisclosed speeds, the steering wheel was stiff. the power steering fluid was leaking. the check engine warning light was illuminated. the vehicle was taken to the local dealer, where it was diagnosed that the pcm, power steering, and sensors had to be replaced. the vehicle wa…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.