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Home >> Porsche >> 2000 >> Boxster Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Controls, Case - Diagnosis >> Tiptronic diagnosis >> Fault overview >> Test point 11 >> Possible causes, elimination, notes

Possible causes, elimination, notes

NOTE:
  • The DME control module signals a fault directly to the Tiptronic control module via a data line (CAN bus).
  • The rpm signal can be checked with the Porsche System Tester 2 (Actual values/Rpm).
  1. Check rpm signal with the Tester.
  2. Read out fault memory of the DME control module and remedy the fault according to the DME test plan.
  3. Check wiring from the Tiptronic control module connector pin 86 (or 85) to the DME control module connector pin 86 (or 85) for open circuit, short to ground and short to B+.
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