P1750

The supply voltage of the control unit is too low (undervoltage).


Possible cause:

- Local undervoltage of component N15/5 (Electronic selector lever module control unit)
Affected functions:

- Battery / On-board electrical system

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Test 1: Check power supply at control unit N15/5 (Electronic selector lever module control unit).

1. Check power supply at control unit N15/5 (Electronic selector lever module control unit).
Operation number of operation texts and work units or standard texts and flat rates:27-0641Test sequence

- Switch off ignition.
- Disconnect connector at component N15/5 (Electronic selector lever module control unit).
- Switch on ignition.
- [A.2] Measure direct voltage with multimeter between 2 and 1 [A.1]
Specified value

- Voltage[7.0...16.0] V
Question

- Is the measurement value OK?


YES
The measurement value is OK.Possible cause and remedy

- Replace component Floor-mounted shift.
End of test

NO
The measurement value is not OK.Possible cause and remedy

- Check fuse f55 (voltage supply from control unit ESM) in component N10/1 (Front SAM control unit with fuse and relay module).
- Check all affected plugs, connectors and electrical components for damage, loose contact, corrosion etc. and repair if necessary.
End of test