DQ500 TCU-(0BH927711B)
The 0BH 927 711 B is a transmission control unit (TCU/TCM) for the 7-speed DSG DQ500 gearbox used in Volkswagen Group vehicles. It is the electronic control module that works with the mechatronic/valve body to manage gear shifts, clutch control and transmission logic. It’s often rebuilt or replaced when the transmission loses shift control or communication.
$0.00
Typical vehicle applications
This part is found in vehicles with the DQ500 (wet-clutch, up to ~600 Nm) transmission, commonly including:
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VW Golf Auto Transmission TCU Control Unit Valve Body (various 2.0-litre models)
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Audi A3/S3 Auto Transmission TCU Control Unit Valve Body
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VW T‑Roc Auto Transmission TCU Control Unit Valve Body
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Seat Ateca Auto Transmission TCU Control Unit Valve Body
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VW Tiguan
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VW Passat
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VW Transporter T5/T6 / Multivan / Caravelle
…all with the DQ500 7-speed DSG. Fitment should be confirmed with VIN before purchasing.
Common fault codes
This transmission control unit can show faults when it fails or loses communication with sensors or the mechatronic. Typical DQ500 transmission/TCU faults include:
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P0607 – Control module malfunction / implausible signal
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P1735 / P1736 – Clutch position sensor 1 or 2 electrical fault
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P0715 / P0716 – Input speed sensor issue
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P0850 / P0851 – P/N switch or starter lock signal problems
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P176B / other gear monitoring errors – Gear engagement detection faults
These codes point to electrical or sensor communication errors within the transmission control system.
Typical symptoms
When the TCU fails or malfunctions, you may see:
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Harsh, delayed, or no gear changes
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Loss of certain gears (e.g., stuck in one gear)
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Dash warnings (transmission/PRNDS)
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Limp mode / reduced power
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Fault codes on OBD-II scan
| Weight | 1200 kg |
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