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 MANUALSGMC2021SAVANA 2500 LS, 6.6L ENG VIN 7REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 38 (PROGRAMMING AND SETUP)
2021 GMC Savana 2500 LS, 6.6L Eng VIN 7
Section 38 (Programming And Setup)
2021 GMC Savana 2500 LS, 6.6L Eng VIN 7SECTION Section 38 (Programming And Setup)
WARNING: This page is about a different car, the 2022 GMC Savana 3500, 2022 GMC Savana 2500, 2022 Chevrolet Express 3500, and 2022 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Information and Procedures
- Repair Instructions
- A11 Radio: 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
- K9 Body Control Module: Programming and Setup
- K17 Electronic Brake Control Module: Programming and Setup
- K20 Engine Control Module: Programming and Setup
- K34 Glow Plug Control Module: Programming and Setup
- K36 Inflatable Restraint Sensing and Diagnostic Module: Programming and Setup
- K64 Content Theft Deterrent Control Module: Programming and Setup
- K71 Transmission Control Module: Programming and Setup (8L90 (M5U MQD))
- K73 Telematics Communication Interface Control Module: Programming and Setup (CV3/EF7/Z49)
- K73 Telematics Communication Interface Control Module: Programming and Setup (without CV3/EF7/Z49)
- K77 Remote Control Door Lock Receiver: Programming and Setup
- K111 Fuel Pump Driver Control Module: Programming and Setup
- K115 Reductant Control Module: Programming and Setup
- K182 Parking Assist Control Module: Programming and Setup
- P16 Instrument Cluster: Programming and Setup
- Q77 Transmission Control Solenoid Valve Characterization Programming
- Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L90 (MYD))
- Service Programming System (SPS)
- 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.