Automatic transmissions installed on Volkswagen Passat B5 with diesel engines:
* 01V (4-speed, longitudinal)
* 01P (4-speed, transverse)
* 5HP19 (5-speed, longitudinal)
* 6HP19 (6-speed, longitudinal)
More details about each gearbox:
01V
* Manufacturer: BorgWarner
* Number of gears: 4 (4 forward, 1 reverse)
* Used on models with 1.9L TDI and 2.5L V6 TDI engines.
01P
* Manufacturer: BorgWarner
* Number of gears: 4 (4 forward, 1 reverse)
* Used on models with 1.9L TDI and 2.5L V6 TDI transversely mounted engines.
5HP19
* Manufacturer: ZF Friedrichshafen
* Number of gears: 5 (5 forward, 1 reverse)
* Used on models with 2.5L V6 TDI engines.
6HP19
* Manufacturer: ZF Friedrichshafen
* Number of gears: 6 (6 forward, 1 reverse)
* Used on models with 2.0L TDI, 3.0L V6 TDI and 4.0L V8 TDI engines.
Peculiarities:
*All transmissions listed have a torque converter lock-up feature, which improves fuel economy and reduces emissions.
* 01V and 01P gearboxes have electronic shift control, while 5HP19 and 6HP19 have hydraulic shift control.
*The 5HP19 and 6HP19 transmissions are more modern and provide smoother shifting and better fuel economy.