DSG family / Longitudinal
DL501
0B5The first-generation high-torque longitudinal S tronic used widely in the B8/C7 era — not a transverse DSG wearing an Audi badge.
Service question
Ask for evidence,
not reassurance.
Verify both the exact code and which oil circuit was serviced; invoices should describe the work rather than say only ‘gearbox oil’.
Intervals and procedures vary by vehicle and market. Current Audi service literature overrides any generic web table.
Known inspection areas
What deserves
attention.
- Mechatronic circuit-board or hydraulic faults
- Clutch-pack wear and adaptation problems
- Cooling, leaks and flywheel-related symptoms
A correct diagnosis matters: clutch and mechatronic repairs can each run to several thousand euros depending on scope and country.
Used-car check
Four things to do before money moves.
- 01
Cold and hot engagement
- 02
Shudder during gentle pull-away
- 03
Smooth shifts at light and heavy throttle
- 04
Diagnostic history and campaign check
Often found in
Applications are clues.
Codes are proof.
- Audi A4/A5 B8 S tronic quattro variants
- Selected Audi A6/A7 C7 applications
- First-generation Audi Q5 S tronic
Technical basis. Audi official owner and service literature — identify 0B5 before applying DL501 advice. Manufacturer self-study material explains design and function but is not a current repair manual. Exact specifications and maintenance requirements vary by code, model, production period and market.
Open source material ↗Researching a specific car?