Fault, DTC Possible causes, elimination, notes · 4. Check wiring from the Tiptronic control module connector

Fault, DTC Possible causes, elimination, notes 4. Check wiring from the Tiptronic control module connector pins 8, 9, 36 or 37 to the MFSconnector pins B, 0, A or C for continuity, short to ground and short to B+. 5. Checkadjustmentof selectorlevercable (referto ServiceNo. 37 15 15). Test point 11 Rpm signal from Faulteffect: DME control module Reduceddrivingprogram. Signal implausible DTC 21 Notes The DME control module signals a fault directly to the Tiptronic control module via a data lead (CANbus). The rpm signal can be checked with the Porsche System Tester 2 (Actualvalues/Rpm). 1. Checkrpm signalwith 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 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+. 37 -D 28 37 01 DiagnosisjTroubleshooting, Tiptronic 99637D21 Printed in Germany -8, 1998