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.
Battery Cooling Module, Bringing Into Service Position: Installing
Installation is carried out in the reverse order while Observing The Following.
-- Reinstall the previously removed component.
-- Turn on the ignition.
-- After installing, check the DTC memory for the Climatronic Control Module -J255- display and control head and the Battery Regulation Control Module -J840- and, if necessary, erase the displayed faults using the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.