2023 GMC Hummer EV

The 2023 GMC Hummer EV is an all-electric supertruck that blends impressive performance with off-road capability and distinctive styling. It is only available as an electric vehicle with no combustion engine options. It boasts an impressive 1,000 horsepower and 1,200 lb-ft of torque in its top trim, delivering exhilarating acceleration. People love the Hummer EV for its bold design, advanced technology, and impressive range. However, some dislike its considerable size and weight, as well as its relatively high price point. Electric Motor

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• Battery Cell Module Defect
  • Description/Symptoms: Some 2022 and 2023 model year Hummer EVs were recalled because of a potential defect in the high voltage battery cell modules. The concern is that the modules may contain a cell with a cathode flaw, potentially leading to a thermal event (fire).
  • Solution: Dealers will inspect the battery modules and replace them as necessary, free of charge.
  • Estimated Cost to Fix: $0 (Recall)
  • Recalls: 23V-067 Electrical
• Inoperative Tail Lamps
  • Description/Symptoms: A software error can cause one or both tail lamps to become inoperative. This can be a safety issue as other drivers may not be able to see the vehicle.
  • Solution: Dealers will reprogram the body control module (BCM) with updated software, free of charge.
  • Estimated Cost to Fix: $0 (Recall)
  • Recalls: 23V-769

• Headlight Malfunction

  • Description/Symptoms: Certain 2023 Hummer EVs may experience headlight malfunctions due to a software issue affecting the headlight control module. This can cause the headlights to flicker, dim, or even shut off completely, reducing visibility and increasing the risk of accidents.

  • Solution: Dealers will reprogram the headlight control module with updated software.

  • Estimated Cost to Fix: $0 (Warranty)

  • Recalls: None Found

• Infotainment System Freezing/Crashing

  • Description/Symptoms: Some owners have reported issues with the Hummer EV’s infotainment system freezing, crashing, or becoming unresponsive. This can affect access to navigation, audio controls, and other vehicle functions.

  • Solution: Software updates are generally rolled out to address this problem. Restarting the infotainment system may provide temporary relief.

  • Estimated Cost to Fix: $0 (Warranty/Software Update)

  • Recalls: None Found

• Charging Issues

  • Description/Symptoms: Certain owners have reported difficulties with the Hummer EV’s charging system, including the vehicle failing to charge or charging at a slower rate than expected. This may be due to problems with the charging cable, charging port, or onboard charging system.

  • Solution: First, inspect the charging cable and port for damage or debris. Then, check the vehicle’s charging settings and ensure they are configured correctly. Contact a certified technician to diagnose the issue.

  • Estimated Cost to Fix: $0 - $2000 (depending on the specific issue and whether it’s under warranty)

  • Recalls: None Found

Exterior

• Loose Exterior Trim Pieces

  • Description/Symptoms: Some owners have noticed that exterior trim pieces, such as side moldings or fender flares, may come loose or detach from the vehicle. This can be due to poor adhesion or manufacturing defects.

  • Solution: Dealers can reattach or replace the loose trim pieces.

  • Estimated Cost to Fix: $0 (Warranty) - $500+

  • Recalls: None Found

Interior

• Rattling Noises

  • Description/Symptoms: Some owners have complained about rattling noises coming from the interior of the Hummer EV, especially from the dashboard or door panels. These rattles can be caused by loose trim pieces or improperly secured components.

  • Solution: Dealers can identify the source of the rattles and tighten or replace the affected components.

  • Estimated Cost to Fix: $0 (Warranty) - $200+

  • Recalls: None Found Summary

The 2023 GMC Hummer EV presents a mixed bag of issues. The recall regarding potential battery cell defects is a serious concern, but is remedied for free. Owners have also reported some electrical and charging problems, as well as some exterior and interior defects. Many of these issues, if diagnosed and repaired early on, can be covered under the vehicle’s warranty.