Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2020TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISGENERAL INFORMATIONRESET PROCEDURESPROGRAMMING AND SETUP
2020 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
Programming And Setup
2020 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Programming And Setup
- Diagnostic Information and Procedures
- Repair Instructions
- A11 Radio: Programming and Setup
- A20 Radio/HVAC Controls: Programming and Setup
- A33 Media Disc Player: Programming and Setup
- B174W Frontview Camera - Windshield: Programming and Setup
- B218L Side Object Sensor Module - Left: Programming and Setup
- B218R Side Object Sensor Module - Right: Programming and Setup
- B233B Radar Sensor Module - Long Range: Programming and Setup
- B233LF Radar Sensor Module - Short Range Left Front: Programming and Setup
- B233LR Radar Sensor Module - Short Range Left Rear: Programming and Setup
- B233R Radar Sensor Module - Short Range Rear: Programming and Setup
- B233RF Radar Sensor Module - Short Range Right Front: Programming and Setup
- B233RR Radar Sensor Module - Short Range Right Rear: Programming and Setup
- K4 Assist Step Control Module: Programming and Setup
- K9 Body Control Module: Programming and Setup
- K14 Distance Sensing Cruise Control Module: Programming and Setup
- K17 Electronic Brake Control Module: Programming and Setup
- K19 Suspension Control Module: Programming and Setup
- K20 Engine Control Module: Programming and Setup
- K29F Seat Heating Control Module - Front: Programming and Setup
- K29R Seat Heating Control Module - Rear: Programming and Setup
- K32 Steering Wheel Heating Control Module: Programming and Setup
- K33 HVAC Control Module: Programming and Setup
- K36 Inflatable Restraint Sensing and Diagnostic Module: Programming and Setup
- K36 Inflatable Restraint Sensing and Diagnostic Module: Configure New Module
- K38 Chassis Control Module: Programming and Setup
- K38A Chassis Control Module - Auxiliary: Programming and Setup
- K39 Liftgate Control Module: Programming and Setup
- K40D Seat Memory Control Module - Driver: Programming and Setup
- K40P Seat Memory Control Module - Passenger: Programming and Setup
- K43 Power Steering Control Module: Programming and Setup
- K56 Serial Data Gateway Module: Programming and Setup
- K60 Steering Column Lock Module: Programming and Setup
- K68 Trailer Lighting Control Module: Programming and Setup
- K69 Transfer Case Control Module: Programming and Setup
- K71 Transmission Control Module: Programming and Setup (10L80 (MF6))
- K71 Transmission Control Module: Programming and Setup (8L90 (M5U))
- K73 Telematics Communication Interface Control Module: Programming and Setup (UE1 with CV3/EF7/Z49)
- K73 Telematics Communication Interface Control Module: Programming and Setup (UI3)
- K73 Telematics Communication Interface Control Module: Programming and Setup (UE1 without CV3/EF7/Z49)
- K73 Telematics Communication Interface Control Module: Programming and Setup (UDA)
- K74 Human Machine Interface Control Module: Programming and Setup
- K83 Park Brake Control Module: Programming and Setup
- K84 Keyless Entry Control Module: Programming and Setup
- K85 Passenger Presence Module: Programming and Setup
- K89 Immobilizer Control Module: Programming and Setup
- K99 Steering Column Position Control Module: Programming and Setup
- K124 Active Safety Control Module: Programming and Setup
- K133 Trailer Brake Power Control Module: Programming and Setup
- K134D Seat Bolster Memory Control Module - Driver: Programming and Setup
- K134P Seat Bolster Memory Control Module - Passenger: Programming and Setup
- K157 Video Processing Control Module: Programming and Setup
- K166L Multifunction LED Control Module - Left: Programming and Setup
- K166R Multifunction LED Control Module - Right: Programming and Setup
- K169 Folding Seat Control Module -3rd Row: Programming and Setup
- K171 Hands-Free Liftgate Sensor Control Module: Programming and Setup
- K182 Parking Assist Control Module: Programming and Setup
- M101 Seat Belt Retractor Motor Module: Programming and Setup
- P16 Instrument Cluster: Programming and Setup
- T3 Audio Amplifier: Programming and Setup
- Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L80 (MYC) or 6L90 (MYD))
- Fuel Injector Control Module Programming and Setup
- Fuel Pump Power Control Module Programming and Setup
- Service Programming System (SPS)
- Q77 Transmission Control Solenoid Valve Characterization Programming (8Lxx)
- Q77 Transmission Control Solenoid Valve Characterization Programming (10Lxx)
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.