Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 657
DME 7.8 DME 7.8 0 · 0-P0748P0748
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DME 7.8 DME 7.8 0
0-P0748P0748
Tiptronic (Control solenoid valve, modulating pres-
sure)
Diagnostic conditions
• Ignition on
Possible cause of fault
♦The Tiptronic control unit has detected a malfunction.
Note!
♦The fault is diagnosed in the Tiptronic control unit. OBDII relevant
fault codes are sent to the DME control module via the CAN
drive. In the process the Tiptronic fault codes are converted to
P-code!
♦Fault management and any activation of the Check Engine lamp
is done by the DME control module!
Affected terminals
-
Diagnosis/troubleshooting
Note!
♦The fault codes stored in the Tiptronic control unit for this P
code are to be taken from the following table.
♦For in-depth troubleshooting see Rep. Gr. 3701; Tiptronic
diagnosis in the On-Board Diagnosis Manual (OBD II), Tiptronic,
Boxster (986), 911 Carrera (996), 911 Turbo (996)
P code Fault code Fault text Fault effect
P0748 6 Control solenoid valve, modulating Control unit in limp-home mode, mini-
pressure mum cycle initiated
2470 P0748 0-P0748 page 1
Printed in Germany – 14, 2003 p0748
This is a source reference. Confirm exact model applicability in the original material.
