A/T - S-Tronic Trans Malfunction Mssg, DTC's P17D800/P179D00
35 Gearbox malfunction message in cluster (DTC P17D800 or P179D00)
35 12 06
2030477/2
December 7, 2012.
Supersedes Technical Service Bulletin Group 35 number 12-05 dated August 10, 2012 for reasons listed below.
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Affected Vehicles
Condition
In the DIS the following message appears:
Gearbox malfunction: you can continue driving
One or more of the following entries is logged:
DTC P17D800 with DFCC 8040 (Torque limitation because of clutch temperature) DTC P179D00 with DFCC 8030 (Coolant oil valve electrical
malfunction)
May also have the following fault:
DTC P174000 with DFCC 8031 (Clutch temperature monitoring)
The DFCC is the 4-6 digit code that is typically listed before the fault code (Figure 1).
Tip: Fault codes and DFCC codes must match exactly or this TSB should not be followed.
Technical Background
Poor internal contact area on circuit board will lead to faults. Oil additives can cause the plastic circuit plates to delaminate causing contact loss.
Production Solution
Improved circuit board for mechatronics unit.
Service
For fault P17D800 with DFCC 8040 or P179D00 with DFCC 8030:
1. Remove the mechatronics unit per instructions in ELSA Repair Manual >> Transmission >> S-Tronic Transmission >> 35 Gears, Shafts >>
Removal and Installation >> DSG Transmission Mechatronic J743.
2. Replace the circuit board per instructions in ELSA Repair Manual >> Transmission >> S-Tronic Transmission Internal Components >> 35
Gears, Shafts >> Removal and Installation >> DSG Transmission Mechatronic J743 Circuit Boards.
3. Reinstall the mechatronics unit per instructions in ELSA Repair Manual >> Transmission >> S-Tronic Transmission >> 35 Gears, Shafts >>
Removal and Installation >> DSG Transmission Mechatronic J743.
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Note:
Be sure to follow all Cautions and warnings noted in the ElsaWeb Repair Manual.
Tip: When replacing the circuit board, if the connector locks are damaged the mechatronics unit must be replaced. Once connected, the circuit
board cannot be removed and used again.
Warranty
Required Parts and Tools
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your parts Department and service
manuals for the latest information.
