Info

Fault, fault code

Possible causes, elimination, notes

Test point 7

Antenna, navigation unit

Fault code 26

1. Check whether plug connection of the antenna lead

2. Check whether plug connection of the antenna lead on the navigation unit is securely locked.

3. Check continuity of the antenna lead.

Test point 8

PCM-instrument cluster Short to ground

Fault code 27

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 20 to plug III pin 6 for short to ground. Short to B+

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 20 to plug III pin 6 for short B+.

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