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 MANUALSCHEVROLET2025TRAILBLAZER ACTIV, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSK43 POWER STEERING CONTROL MODULE: PROGRAMMING AND SETUPREPLACE AND PROGRAM CONTROL MODULE OR REPROGRAM CONTROL MODULE
2025 Chevrolet Trailblazer ACTIV, 4WD
Replace and Program Control Module or Reprogram Control Module
2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Replace and Program Control Module or Reprogram Control Module
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- With the Power Steering Assist Motor replaced and reconnected, on the SPS Supported Controllers screen, select K43 Power Steering Control Module - Programming and follow the on-screen instructions.
- Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
- Ignition ON.
- On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Setup and follow the on-screen instructions.
- 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.