Information On 6-Speed Automatic Transmission 09D
Transmission Design and Function
Refer to SSP # 662 - Audi Q7 - Engine/Transfer Case 0AQ and SSP# 300 - 6-Speed Automatic Transmission 09D.
In addition, you can learn more about the automatic transmission with the practice CD Multimedia Training; Powertrain Parts 1 to 3.
OBD
Before beginning any service work on the automatic transmission, determine the cause of the damage using Guided Fault Finding Vehicle Diagnostic Tester.
Transmission Control Module -J217-
Component location: Transmission Control Module -J217- is under the right front seat. Refer to Transmission Control Module - J217-, REMOVING AND INSTALLING .
Shift Point Changes on Inclines and Declines
An additional gear change map automatically selects the gear changes for gradients dependent upon accelerator pedal position and driving speed.
- The gear change map for extreme uphill stretches is matched to engine output
- The gear change map for extreme downhill stretches is matched to the braking effect of the engine.
- Direct gear selection by way of the Tiptronic function permits utilization of engine braking action with a specific gear engaged, for example, on a downhill gradient with a trailer.