Transfer Box (VG)

Fault Code 2373

Current sensor in control unit

NOTE: The current sensor is integrated in the transfer box control unit and can not be separately replaced.

Diagnostic conditions
- Ignition on
- Internal transfer box control unit function test

Possible causes of fault
- 'implausible signal'

Affected pins
Transfer box control unit plug:
- Pin

Diagnosis/troubleshooting

NOTE:
- Visual inspection: In the next troubleshooting section, please check first that the affected 'pins' of the transfer box control unit plug connection and the 'pins' of the plug connections on the servo motor are neither damaged nor corroded. Remove any soiling or corrosion/oxidation. Replace damaged parts/wires.
- Control unit replacement: Before replacing the 'transfer box control unit', the ground connections, power supply and plug connections on the control unit must be checked as OK. Please observe the coding of the control unit. After the test drive, read out the fault memory again with the Porsche System Tester 1/ No. 9588. Additional causes of faults that could damage the 'transfer box control unit' should be detected and remedied.