Theres a few things that could cause the powertrain light to come on, you need to take it to Holden or an auto sparky to diagnose.
xxpupxx,
Mar 9, 2:00am
Ok thank you :)
franc123,
Mar 9, 3:00am
Its logged a trans or engine fault code, probably best to go to Holden and get it scanned to get an idea of whats gone wrong.
jfstyle,
Mar 10, 10:59pm
mostly this is a oxygen sensor fault
himandme2,
Mar 11, 1:44am
I had the same problem with my 06 VZ, they replaced O2 sensor, all good now
a.woodrow,
Mar 11, 1:49am
x1
The oxy sensors are in a position that exposes them to stone damage etc, so a damaged one often brings the powertrain light on, however, there are a lot of other things that can also bring the light on so you should get it checked out asap nevertheless
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