Should I be worried?
#1
#2
Join Date: Jan 2012
Location: Newport Beach, California
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Please list vehicle information including MY and kilometres/miles.
What is the age and condition of the battery? A failing or weak battery can cause random DTCs and 'faults' to be set. The battery should have a minimum of 12.6 volts across the terminals after the ignition has been in the OFF position for ten minutes.
What is the age and condition of the battery? A failing or weak battery can cause random DTCs and 'faults' to be set. The battery should have a minimum of 12.6 volts across the terminals after the ignition has been in the OFF position for ten minutes.
#4
By any chance was it wet outside? Are you having any other "weird" electrical problems. I had the same problem and I replaced the battery (didn't help) and then next I decided to check/clean the grounds. The PO had replaced the ground by the RH headlights, but the ground lug near the LH was still original. I cleaned the stud, but it twisted right off with very little torque. So, I went ahead and replaced that and cleaned all the other ground points that were easily accessible in the engine compartment and trunk. Not only has the "gearbox fault" error not returning, it seems to be shifting more smoothly overall. I should add that I had a few other clues as well (slight dimming of the headlights, occasional flicker of the nav screen), so YMMV.
#5
By any chance was it wet outside? Are you having any other "weird" electrical problems. I had the same problem and I replaced the battery (didn't help) and then next I decided to check/clean the grounds. The PO had replaced the ground by the RH headlights, but the ground lug near the LH was still original. I cleaned the stud, but it twisted right off with very little torque. So, I went ahead and replaced that and cleaned all the other ground points that were easily accessible in the engine compartment and trunk. Not only has the "gearbox fault" error not returning, it seems to be shifting more smoothly overall. I should add that I had a few other clues as well (slight dimming of the headlights, occasional flicker of the nav screen), so YMMV.
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