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.
Navigation System With Cd Drive Control Module -J401-, MMI Basic Plus
Special tools and workshop equipment required
- Radio Removal Tool T10057
- Protective Cap For Cable Connector VAS 6223/9
The Navigation System with CD Drive Control Module is located in the glove compartment.
-- Turn off all electrical consumers.
-- Remove the key.
-- If control module is replaced, select "Replacement" function for appropriate control module in "Guided Fault Finding".
Use the Vehicle Diagnostic Tester.
Removing
-- Open the glove compartment.
-- Insert two clips of T10057 into release slots of navigation system with CD drive control module until they engage. Points on the grip eyelets of tool face outward.
-- Pull navigation system with CD drive control module out of mounting frame.
-- Disconnect all connectors from the navigation system with CD drive control module.
-- Connect the VAS 6223/9 -1- to the connector for the MOST-Bus -2-.
-- Remove T10057 by pressing locking tabs on navigation system with CD drive control module.
Installing
-- Connect all harness connectors.
-- Slide the navigation system with CD drive control module in until it engages in mounting frame.
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.