A class action lawsuit, dubbed the Holden Transmission Class Action, has just been brought against General Motors Australia & New Zealand Pty Ltd.

Taken on by legal firm Maurice Blackburn and litigation funder Balance Legal Capital, the case specifically targets a fault in the 6L80, 6L45 and 6L50 automatic transmissions fitted to various Holden models from 1 January 2011 to 24 December 2024.

That includes models of the VE and VF Commodore, Calais, Berlina, Ute and Caprice/Statesman range, as well as Colorado, Colorado 7 SUV and Trailblazer.

“The action alleges that the transmission systems in the affected Holden vehicles are defective due to a design fault in the Torque Converter and Torque Converter Clutch,” says the class action statement on Maurice Blackburn’s website.

“As a result of the alleged defect, the affected vehicles have a propensity to experience various problems including intermittent transmission shudders, excessive vibrations, harsh gear shifts, leakage of Automatic Transmission fluid, accelerated degradation of the components of the transmission system and greater servicing requirements.

“The class action alleges that General Motors failed to comply with the guarantee of acceptable quality under the Australian Consumer Law and engaged in misleading and deceptive conduct.”

Applications are now open for owners of the vehicles affected to apply, even if they have already sold the vehicle, had it written off or have not yet experienced any problems with the transmission.

The class action is only relevant to the transmissions mentioned and issues with the transmission and torque converter.

You can view the full list of vehicles included in the class action and apply for compensation here.