Info

Fault, fault code

Possible causes, elimination, notes

Test point 9

Data lead, instrument

Open circuit/short to B+ Short to ground Signal disturbance Fault code 28

1. Pull off plug I on the display and operator control unit.

2. Pull off plug III on the instrument cluster

3. Check lead from plug I pin 21 to plug III pin 1 for continuity and short to B+.

Short to ground

1. Pull off plug I on the display and operator control unit.

2. Pull off plug III on the instrument cluster.

3. Check lead from plug I pin 21 to plug III pin 11 for short to ground. Signal disturbance

Check lead from plug I pin 21 to plug III pin 11 for short with other leads.

Test point 10

Vehicle data record Programming error Fault code 29

1. Select menu item Modify coding.

2. Select Vehicle model

3. Modify coding from LHD vehicle (RHD vehicle) to RHD vehicle (LHD vehicle).

4. Modify coding from RHD vehicle (LHD vehicle) to LHD vehicle (RHD vehicle).

If the fault appears again, replace the display and operator control unit.

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