Holden Commodore 2003: ECU trouble

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My 2003 VY Holden Commodore Series I V6 Auto has now travelled 279,000 km. It has been driven carefully and responsibly, and serviced every 15,000 km. Now, the gearbox goes through first, second and third perfectly and smoothly, but not fourth. When checked a 'Pressure Control Solenoid Error' was detected on a diagnostic test. The ECU was cleared and reset, and as a result it is now going into top gear. Why would this have fixed itself?

Answered by CarsGuide

2 May 2014

Carsguide.com.au

The ECU might have detected a low pressure at some point and set off a warning, but it might have been a one-off. Once the ECU was rebooted everything reverted to normal. That said it might occur again at some time in the future. If you are concerned about it, take it to an auto transmission specialist and have it tested. If the transmission hasn't been serviced before you could also consider having that done as well.

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