2021 Chevrolet Tahoe Electrical System Problems
NHTSA lists 71 electrical system complaints for the 2021 Chevrolet Tahoe, 16% of all complaints filed for that year. Owners reported sudden loss of power, dashboard shutdowns, and fires, with a median failure mileage of 38,500. One related recall covers daytime running light software.
- Electrical System complaints
- 71
- 16% of 453
- Crashes reported
- 1
- Fires reported
- 2
- Injuries reported
- 3
- Median mileage
- 38,500 mi
- Related recalls
- 1
Typical electrical symptoms owners report
- Owners describe sudden loss of power while driving, sometimes with warning lights for traction control, forward collision, and engine systems illuminating at once.
- Several reports describe the vehicle stalling or shutting off unexpectedly at low speed or while stopped, with dashboard and infotainment losing power and not regaining connectivity.
- Some owners report the vehicle would not start despite a good battery, with the engine turning over but failing to fire, and the transmission unable to be shifted into neutral for towing.
- A subset of complaints describe headlights or brights turning off unexpectedly while driving at highway speed, briefly cutting visibility.
- Owners also report repeated service safety restraint system warning messages that recur intermittently even after dealer visits.
- Some complaints describe wiring harness issues tied to the transmission that owners say led to a fire during dealer repair attempts.
When 2021 Chevrolet Tahoe electrical complaints were filed
First complaint Sep 29, 2020, latest Sep 8, 2026.
Electrical System recalls for the 2021 Chevrolet Tahoe
- NHTSA 22V827000Nov 3, 2022Electrical System338,735 vehiclesOver-the-air fix
Exterior lighting:lighting control module:software
General Motors, LLC (GM) is recalling certain 2021 Yukon, Yukon XL, Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade, and Cadillac Escalade ESV 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."
Risk: Daytime Running Lights that do not deactivate as intended may cause a glare, reducing visibility and increasing the risk of a crash.
Remedy: Dealers will provide an over-the-air (OTA) update for the Body Control Module software, free of charge. Owner notification letters were mailed December 15, 2022. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222382220.
Electrical System complaints by Tahoe model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical system complaints does NHTSA have for the 2021 Chevrolet Tahoe?
- NHTSA lists 71 electrical system complaints for the 2021 Chevrolet Tahoe, which is 16% of the 453 total complaints filed for that model year.
- Is there a recall for the 2021 Chevrolet Tahoe electrical system?
- Yes, recall campaign 22V827000 covers daytime running lights that may not deactivate properly. GM provides an over-the-air update to the Body Control Module software free of charge.
- At what mileage do 2021 Tahoe electrical problems typically show up?
- The median mileage at failure for electrical system complaints on the 2021 Tahoe is 38,500 miles, though some owners reported issues under 2,000 miles.
- Have any 2021 Tahoe electrical problems led to fires or injuries?
- NHTSA data shows 2 fires and 3 injuries linked to electrical system complaints for the 2021 Chevrolet Tahoe, along with 1 crash.