Operation CHARM: Car repair manuals for everyone.

P1750


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

Test 1: Display additional information of system diagnosis.

Test 2: Check power supply at control unit N15/5 (Electronic selector lever module control unit).

1. Display additional information of system diagnosis.

1. No further information available.


2. 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.4] Measure direct voltage with multimeter between 4 and 8 [A.8]
Status of relevant actual value:
- Supply voltage (tml. 15):Warning! Communication with ECU required.
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 f 3.
- Check all affected plugs, connectors and electrical components for damage, loose contact, corrosion etc. and repair if necessary.
End of test