2020 Chevrolet Tahoe service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- PPV Sport Utility 4-Door
- Police Sport Utility 4-Door
- SSV Sport Utility 4-Door
- Premier Sport Utility 4-Door
- LS Sport Utility 4-Door
- LT Sport Utility 4-Door
Engines covered
- 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated
- 6.2L 6162CC 376Cu. In. V8 FLEX OHV Naturally Aspirated
- 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
- 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
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 Chev
Over cured tires may develop a break in the sidewall resulting in sudden air loss or a bel
GM will notify owners, and dealers will inspect the tires, replacing them as necessary, fr
General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a
Unintended activation of the driveline-protection system will cause unintended braking on
GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall be
General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles.
Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire
GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
Showing the 8 most recent of 785 technical service bulletins on file with NHTSA.
TL* THE CONTACT STATED THEY RENTED A 2020 CHEVROLET TAHOE. THE CONTACT STATED THAT WHILE COMING TO A STOP TO MAKE A U-TURN THE STEERING WHEEL SUDDENLY LOCKED. THE VEHICLE CONTINUED
TL* THE CONTACT STATED THEY RENTED A 2020 CHEVROLET TAHOE. THE CONTACT STATED THAT WHILE COMING TO A STOP TO MAKE A U-TURN THE STEERING WHEEL SUDDENLY LOCKED. THE VEHICLE CONTINUED
The contact's brother owned a 2020 Chevrolet Tahoe. The contact stated that while his brother was driving at an undisclosed speed, the vehicle crashed; however, the contact was uns
The contact owned a 2020 Chevrolet Tahoe. The contact stated that while driving approximately 45 mph, a 2016 Hyundai Sonata crashed into the front end and pushed the vehicle into o
Showing the 4 most serious of 61 complaints filed with NHTSA.
