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.
CLIMATRONIC Control Module A/C Control Head: Removing
-- Check coding and adaptation of A/C control head Climatronic Control Module -J255- via the Replace Control Module function of Guided Fault Finding (in the event that A/C control head Climatronic Control Module -J255- is to be replaced).
-- Switch off ignition.
The removal of the Climatronic Control Module -J255- A/C control head is identical for both Comfort and Basic versions.
The Climatronic Control Module -J255- A/C control head -A- is secured in the center console by four retaining clips -E-.
As of the beginning of 2006, Climatronic Control Module -J255- are installed with gradual introduction of modified clips -A- on the top (clips on bottom remain the same, version -B-), at the same time instrument panel center sections with modified mounting bracket for the top clips version -C- are also introduced. For Climatronic Control Module -J255- units on which clip -B- is installed (force-fitted clip with an angle of approximately 120° installed, on the version that was installed up to beginning of 2006, panel colored pearl-gray metallic), this control and display unit can be removed without removing the center instrument panel vent.
For Climatronic Control Module -J255- units on which clip -C- is installed (form-fitted clip with an angle of approximately 65° installed, on the version that was installed as of beginning of 2006, panel colored black), this control and display unit can only be removed with the center instrument panel vent removed. Refer to CLIMATRONIC CONTROL MODULE A/C CONTROL HEAD . So that clips -C- can be disengaged, one slot -D- each in the instrument panel center section has been installed in the area of the upper mounting bracket for clips.
NO RELATED
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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.