Check Engine and Check Gearbox lights
Discussion
This post is for information more than anything else, as it is a problem that has been solved.
About a year ago a started getting the Check Engine and Check Gearbox lights coming on at the same time on my 2002 9-3 Aero auto. The car would go into limp mode but if you stopped the engine and restarted it, it would drive normally after that. (the lights would stay on and then just go out after a few days).
The garage got a "gearbox input sensor fault" reading and replaced the sensor (not expensive). However the problem kept happening intermittently and he garage then got an "output sensor" fault instead - they replaced the sensor foc as they had one around...
The problem kept happening - and was becoming more "mittent" than intermittent... A few weeks ago the car went for its scheduled service and the head tech said "I think it must be the Transmission Control Unit - get one off e-bay - here's the part number..." (The cost over £500 new - nice of him I thought). I manged to get one from the US for $60 within a week and the garage swapped the unit foc. Problem solved
About a year ago a started getting the Check Engine and Check Gearbox lights coming on at the same time on my 2002 9-3 Aero auto. The car would go into limp mode but if you stopped the engine and restarted it, it would drive normally after that. (the lights would stay on and then just go out after a few days).
The garage got a "gearbox input sensor fault" reading and replaced the sensor (not expensive). However the problem kept happening intermittently and he garage then got an "output sensor" fault instead - they replaced the sensor foc as they had one around...
The problem kept happening - and was becoming more "mittent" than intermittent... A few weeks ago the car went for its scheduled service and the head tech said "I think it must be the Transmission Control Unit - get one off e-bay - here's the part number..." (The cost over £500 new - nice of him I thought). I manged to get one from the US for $60 within a week and the garage swapped the unit foc. Problem solved
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