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.
Programming a New Control Module
To program a new control module, perform the following procedure:
- Install the special tool: EL-49642 SPS Programming Support Tool
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K114B Hybrid/EV Powertrain Control Module 2 - Programming and follow the on-screen instructions.
- At the end of programming, choose the "Clear All DTCs".
- With a scan tool, perform the Hybrid/EV Battery Pack Capacity Learn and follow the on-screen instructions.
- With a scan tool, select the Passenger Compartment Heater Coolant Control Solenoid Valve Learn Procedure and follow the on-screen instructions.
- With a scan tool, perform the Clear Secured High Voltage DTCs and follow the on-screen instructions.
- With a scan tool, Clear All DTCs.
- With a scan tool, select Hybrid/EV Battery Pack Charging Adaptive Learn Reset in the K114B Hybrid/EV Powertrain Control Module 2 Reset Functions menu and follow the on-screen instructions.
DO NOT program the K114B Hybrid/EV Powertrain Control Module 2 with the drive motor battery charger cable connected to the vehicle. Charging while programming may result in damage to the High Voltage Battery Disconnect Relays.
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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.
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