Porsche Boxster Technical Manual page 110

37 Tiptronic diagnosis Boxster
8
Fault, DTC Possible causes, elimination, notes
MP9
591.96 8
6 = Power ground
34 = Power ground
48 = Pin code 2
12 = Pin code 1
1. Use the Porsche System Tester 2 (Control modules;1dentification) to
check whether the prescribed control module is installed. (Refer to
the Spare Parts Catalogue for details of the allocation.)
2. Check whether ground is connected to control module connector pin
48. If this is the case, the control module is faulty.
3. Check wire from control module connector pin 48 to ground point 9
for open circuit.
Note 8
Ground point 9 (MP 9) is located in the rear luggage compartment be-
tween the DME control module and Tiptronic control module.
8
37 -D 44 37 01 Diagnosis/troubleshooting, Tiptronic
98637D21 Printed in Germany -3, 1996