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PORSCHE - Technical Top Tip

Covers - CAYENNE (model years 2003 - 2010)

Issue

Gear lever stuck in park mode, ignition does not turn on, and only has communication to some control units.
 

Possible faults

 
Keyless entry system (kessy) – 1315 Tiptronic control module, 1316 PSM control module, 0576 Terminal 15
0185 Relay for terminal 15 (activation), 1299 Gateway

 

 

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Cause

 
The key remote should still work, and the ELV will release when the key is inserted. In most cases it’s a wiring problem on the Bn/Rd or Black wire. The Terminal 15 relay is rarely the problem.
 
First, check that the fuse 39 in the left dash fuse board is OK, and that it has power supply. Terminal 15 relay (433) is located on the Fuse/Relay power board under the front left seat.

Locations

 
1. Terminal 15 Relay (433).
2. Power supply Terminal 30, (fuse 2 in picture) Red wire goes to Relay 433.
3. Terminal 87 output from Relay 433 Black wire, goes to left dash fuses 47-54 and right dash fuses 38-52.
Relay pin 86, Red/White wire is battery volts from left dash fuse board, fuse 39.
Relay pin 85, Brown/Red wire goes to Kessy control unit pin 58. (Kessy cu switch’s relay on).

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