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.
Calibration Of Climate Control Module (CCM)
This function is used to check the components communicating with the climate control module (CCM) via LIN bus 1 and LIN bus 2. A diagnostic trouble code (DTC) between CCM-0070 and CCM-0072 will be stored, depending on the fault, if there is a fault in one of the LIN buses. These diagnostic trouble codes (DTCs) can only be stored for this diagnostic function.
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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.