Transverse Interlock

Fault code 2052

Control unit switched off due to excess temperature

NOTE: This fault may be stored after extreme off-road driving. This fault does not necessarily mean a fault is present.

Diagnostic conditions
- Ignition on
- Transverse lock control unit internal function test
- Engine running
- Selector lever position 'P'
- Engage transverse lock

Possible causes of fault
- 'Above upper limit': heavy demand on servo motor (mechanical stress)
- 'Above upper limit': mechanical wear of servo motor
- 'Above upper limit': transverse lock control unit faulty

Affected pins
Transverse lock control unit plug:
- Pin '-'

Diagnosis/troubleshooting

NOTE:
Visual inspection: In the next troubleshooting section, please check first that the affected 'pins' of the transverse lock 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.

NOTE:
Control unit replacement: Before replacing the 'transverse lock 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 II No. 9588. Additional causes of faults that could damage the 'transverse lock control unit' should be detected and remedied.