Cayenne S (9PA) V8-4.5L (2003)
1.
Procuring a replacement Tiptronic control unit.
1.1
Before ordering a replacement for the Tiptronic control unit, determine the vehicle VIN, and, using the PIWIS Tester - read out the software
version of the installed Tiptronic control unit.
1.1.1 Procedure for reading out the software version:
Using the PIWIS Tester select > Tiptronic control unit > Identification > Extended Identification > SW version (= 4-digit number).
1.2
Using this data, determine the part number on the "Overview of Part Numbers" to order the required Tiptronic control unit
Note:
The overviews also clarify if the DME software must be updated because of the modified Tiptronic software (> DME: yes/no).
2.
Installing the modified Tiptronic control unit.
2.1
Before removing the previous Tiptronic control unit, read out the coding from the control unit; > POSES, Workshop Manual, Cayenne, Gr. 3, 37
30 19 - Removing and installing the Tiptronic control unit.
2.2
Install the modified Tiptronic control unit.
Note:
The current software version No. (4-digit number) can be seen on the control unit (Figure 1, inset).
2.3
If the DME software must be updated, continue > Step 3. If not, continue > Step 4.
3.
Programming the DME control module (See Overview: DME YES).
3.1
Programming the control unit only affects Cayenne S and Cayenne Turbo M.Y. '03 and '04.
3.2
Before installing the DME software, check the version No. of the current software in the DME control module.
Note:
It is possible that the software was already updated and thus it would not be necessary to change it.
3.2.1 Procedure for reading out the software version:
Required tester and software version: as of PIWIS 3.0.
Using the PIWIS Tester select > DME control module > Identification > Extended identification > SW version.
3.3
If one of the following listed version numbers is displayed in the PIWIS Tester under "SW version"
(= software version), the DME control module must be programmed.
Cayenne S: 0009, 0010, 0011, 0013, 0014, 0017, 0018, 0019, 0042, 0044, 0051, 0052, XXXR.
Cayenne Turbo: 0007, 0008, 0012, 0015, 0016, 0020, 0021, 0022, 0043, 0047, 0068, 0072, XXXS, XXXT
Continue with Step 3.5.
3.4
If version numbers other than those listed under Step 3.3 are displayed under "SW version", DME programming is not required.