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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2023SILVERADO 1500 HIGH COUNTRY, 5.3L ENG VIN D, 4WDREPAIR AND DIAGNOSISGENERAL INFORMATIONRESET PROCEDURESPROGRAMMING AND SETUPREPAIR INSTRUCTIONSK56 SERIAL DATA GATEWAY MODULE: PROGRAMMING AND SETUPREPROGRAM CONTROL MODULE
2023 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN D, 4WD
Reprogram Control Module
2023 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN D, 4WDSECTION Reprogram Control Module
To program an existing K56 Serial Data Gateway Module, perform the following procedure:
- Ignition/Vehicle OFF.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K56 Serial Data Gateway Module - Programming and follow the on-screen instructions.
- Clear DTCs.
NOTE:
Verify all modules are connected and communicating before attempting to program the K56 Serial Data Gateway Module.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.