This Audi A4 A6 Multitronic Transmission ECU is a very common failure for all Audi 2001 – 2007 vehicles with Multitronic transmission/gearbox.

When this gearbox ECU fails it will normally start with the “PRNDS” light flashing on the dash when driving instead of just the “D” symbol. This fault will normally start out as intermittent but always becomes more permanent with time. When the “PRNDS” light comes on the gearbox will normally go in to fail-safe mode and lose power. Other common symptoms include complete loss of reverse gear or no drive at all.

We can rebuild your own unit and provide a warranty, this unit will just plug straight back in to the gearbox after the rebuild, there is no need for programming afterwards.

PRNDS light:


These Multitronic Auto gearbox ECU controllers cost a fortune from the main dealer and they also charge for programing afterwards. We can rebuild your own unit or supply a replacement unit for a fraction of the price of the main dealer unit.

Common A4 A6 Multitronic Gearbox faults:

  • “PRNDS” light flashing on dashboard
  • Gearbox in fail-safe mode
  • Loss of reverse gear
  • Complete loss of drive