7-Speed S-Tronic Direct-Shift Gearbox (DSG/0B5)

From Ross-Tech Wiki

General Information about this Transmission can be found in the Wikipedia entry. Additional information can be found in the Official Factory Repair Information.


  • When replacing this Mechatronic unit Component Protection fault code(s) may be stored.

Basic Setting


  • Transmission fluid level correct
  • Transmission fluid temperature between 40°C - 100°C. (one user reports this needs to be below 60°C)
  • TCM fault free however it is strongly recommended to check/clear all Powertrain controllers faults also.
  • Key on, Engine off
  • Selector lever in P

All 3 Basic Setting operations need to be completed in the order listed below

[02 - Auto Trans]
[Basic Settings - 04]

Select Erase counter for start and stop processes
[Go!] to activate the Basic Setting.
After the result of Finished Correctly or Not Running appears click [Stop]
[Done, Go Back]

Start the Engine and leave the Selector lever in Park

[Basic Settings - 04]
Select Clutch valve calibration [Go!] to activate the Basic Setting.
After the result of Finished Correctly appears click [Stop]

Select Distance sensor calibration
[Go!] to activate the Basic Setting.
Clunking noises from the transmission are normal
After the result of Finished Correctly appears click [Stop]
[Done, Go Back]

Switch off Ignition, wait 10 Seconds and switch it back on.
[Fault Codes - 02]
Check and clear any fault codes
[Close Controller, Go Back - 06]
Perform a test drive and check for fault codes again after doing so.

Special Notes

  • Numerous Audi TPIs/TSBs exist for 0B5 transmission problems. Although a majority are flash update related some are hardware related ("printed circuits" internal wiring harness) instead. As of October, 2015 the following list may be helpful but the Official Factory Repair Information should be used to confirm if they apply to the vehicle in question:
    • NAR (North American) Market:
      • TPI 2027363
      • 2039267
    • RoW (Rest of World) Market:
      • 2022497
      • 2027286
      • 2027291
      • 2039534
      • 2027286
      • 2036201
  • Coolant, water ingress and corrosion problems at the 0B5 Mechatronic connector aren't uncommon. When dealing with a TCM that won't communicate at all -or- is packed full of random DTCs such as P1893, P1894, P1892, P1890, U0100, U0146, P2850, U0100, U0212 and U0401 please see this thread:
  • Some 0B5 Mechatronic replacements may require the dealer network to match it up even though there is no "Locked" or "Component Protection" type fault codes.
    • 8K5 927 156
  • When P17CA is stored in a new Mechatronic unit that does NOT have Component Protection DTCs the Basic Settings procedure may resolve it per feedback in this thread: