2020 Chevrolet Tahoe - Electric Vehicle Guide
The 2020 Chevrolet Tahoe belongs to a Chevrolet Tahoe lineup that Know Your Ride tracks across 18 model years, from 1995 to 2026. It is an all-electric vehicle, so it skips the oil changes, spark plugs and exhaust-system service of a combustion Tahoe entirely. It is configured as rear-wheel drive with an automatic 6-spd. The 2020 sits mid-run, with both earlier (1995) and later (2026) Tahoe model years also documented.
The high-voltage battery is covered for 8 years or 100,000 miles, separate from the bumper-to-bumper warranty. Routine upkeep centers on tire rotation, DOT 3 brake fluid, Dex-Cool battery/cabin coolant, cabin air filters and brake service rather than engine oil. Know Your Ride lists 13 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include lug nut 100 ft-lb.
NHTSA complaints for this vehicle cluster around engine (8), electrical system (7), power train (6). A representative report reads: "Tahoe transmission failed with 103,000 miles took to Chevrolet they confirmed, took to a transmission specialist they confirmed failure but they said the..." There are 3 safety recalls on record; one covers: ...al Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra....
Estimated annual charging cost runs near $2,450.
Quick Specs
| Battery warranty | 8 yr / 100,000 mi |
| Est. annual charging | $2,450 |
| Tire size | 245/60R18 |
| Coolant | Dex-Cool |
| NHTSA overall | 4 / 5 stars |
| Open recalls on record | 3 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
Related Vehicles
Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.