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 MANUALSCHEVROLET2025TAHOE PPV, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONRESET PROCEDURESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSK43 POWER STEERING CONTROL MODULE: PROGRAMMING AND SETUPREPLACE AND PROGRAM OR REPROGRAMMING CONTROL MODULE
2025 Chevrolet Tahoe PPV, 4WD
Replace and Program or Reprogramming Control Module
2025 Chevrolet Tahoe PPV, 4WDSECTION Replace and Program or Reprogramming Control Module
To program a replacement control module, perform the following procedure:
- Ignition/Vehicle OFF, ensure that the key fob is inside the vehicle and not moved for the duration of the programming to prevent an inadvertent power mode change during programming.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Setup and follow the on-screen instructions.
- If the Setup fails, check for DTC U1962. If this DTC is set, perform the Serial Data Authentication Configuration procedure. Then repeat the Setup step.
- Clear DTCs.
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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.