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.
Display And Control Head, Removing And Installing: Installing
Installation is carried out in the reverse order while Observing The Following.
- When replacing a Climatronic Control Module -J255- A/C display and control head, pay attention to the exact allocation. Refer to DISPLAY AND CONTROL HEAD LOCATION and Parts Information.
Mount the Trim on the Display and Control Head on the Audi Q5.
-- Clean the adhesive surface -D- on the display and control head -A-, for example, with cleaning solution D 009 401 04. Refer to the Parts Information.
-- Install the display and control head -A-.
The trim piece -B- is supplied with a two-sided adhesive strip already installed -C- Parts Information
If the trim -B- is going to be re-used when replacing the display and control unit, the Climatronic Control Module -J255- -A- is also reused. Remove the adhesive strip -C- from the trim -B-. Clean the adhesive surface on the trim -B- as described in the instructions which came with the adhesive strip. Affix to the trim piece -B- a strip (dimension: 204 mm x 10 mm) of the two-sided adhesive tape -C- with material strength approximately 1.2 mm (for example with adhesive tape D 438 515 A1. Refer to the Parts Information).
-- Mount the trim piece -B- with the adhesive tape -C- onto the adhesive surface -D- of the display and control head -A- and then align it -B-.
-- Press the trim piece -B- onto the surface -D-.
- After replacing/installing the Climatronic Control Module -J255- A/C display and control head, always perform the follow work using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function):
-- Re-code (or check the coding) of the Climatronic Control Module -J255- A/C display and control head.
-- Perform the basic setting for the Climatronic Control Module -J255- A/C display and control head.
-- Check the DTC memory of the Climatronic Control Module -J255- A/C display and control head (correct the cause for any malfunctions displayed) and erase.
-- Check the adaptation of the Climatronic Control Module -J255- A/C display and control head and correct if necessary.
-- Perform the output diagnostic test mode for the Climatronic Control Module -J255- A/C display and control head (depending on the type of complaint).
NO RELATED
Use the Manual With the Right Hardware
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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.