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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 18 >> 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 lead (CAN bus).
  1. Read out the fault memory of the DME control module and remedy the fault according to the DME test plan.
  2. Check wiring from Tiptronic control module connector pin 85 (or 86) to the DME control module connector pin 85 (or 86) for open circuit, short to ground and short to B+.
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