26/05/2026
2019 Holden Commodore came in unable to shift into 5th & 7th gear after the vehicle had been jump started.
A deep diagnostic investigation uncovered damaged hardware and corrupted software within the transmission control module, along with solenoid coil damage causing excessive line pressure inside the valve body.
Definitely an interesting fault to track down — these are the kinds of investigations we really enjoy! 👨🏼🔧⚡️
Another successful diagnosis & repair completed