Power_n_Glory
Active Member
Thought this may be useful for someone...?
After having my gearbox control unit and the steering wheel buttons/gear stick electronically re-united with each other as on my other thread and now the miles increase (now done 1000 miles since the fix and TCU reset) another fault has become manifest. Another 'am I mad?' kind of fault. When in C or S and I asked for a downshift via the stick or buttons, it MIGHT do it and even when it did the chosen gear would only hold for a few seconds before the gears shifted up and D was re-established. Had I pressed the button hard or long enough? Was I doing something wrong? The auto modes seemed to be changing up very early and slightly randomly but perhaps that was the thing learning/confused by my driving style, alternating between mild mannered motorway munching to full bore fun around the Lake District.
But then in M the selected gear would only hold for a few seconds and then the gearbox would shift up of its own accord, several cogs, as a fully auto would. not meant to do that...
Back to the dealer I bought it from, it was booked in the next day back at Hampshire Service Centre. No fault codes found, quizzical looks all round, then they looked via the computer at the signal from the various components. It turns out that the gearbox is getting an 'on' signal from the steering wheel button randomly, even happens when no-one is in the car! So it's either the switch actuator or the connection band inside the wheel, apparently. Nice one HSC. Explains all of the above....
The garage is covering it under warranty, although they tried to limit their costs to the first £200 which was a bit cheeky but they then quickly agreed to cover all the costs after my exclamation of outrage. In fairness, they have been good about the car in all other ways so far!
Car in to have this sorted out so fingers crossed....
After having my gearbox control unit and the steering wheel buttons/gear stick electronically re-united with each other as on my other thread and now the miles increase (now done 1000 miles since the fix and TCU reset) another fault has become manifest. Another 'am I mad?' kind of fault. When in C or S and I asked for a downshift via the stick or buttons, it MIGHT do it and even when it did the chosen gear would only hold for a few seconds before the gears shifted up and D was re-established. Had I pressed the button hard or long enough? Was I doing something wrong? The auto modes seemed to be changing up very early and slightly randomly but perhaps that was the thing learning/confused by my driving style, alternating between mild mannered motorway munching to full bore fun around the Lake District.
But then in M the selected gear would only hold for a few seconds and then the gearbox would shift up of its own accord, several cogs, as a fully auto would. not meant to do that...
Back to the dealer I bought it from, it was booked in the next day back at Hampshire Service Centre. No fault codes found, quizzical looks all round, then they looked via the computer at the signal from the various components. It turns out that the gearbox is getting an 'on' signal from the steering wheel button randomly, even happens when no-one is in the car! So it's either the switch actuator or the connection band inside the wheel, apparently. Nice one HSC. Explains all of the above....
The garage is covering it under warranty, although they tried to limit their costs to the first £200 which was a bit cheeky but they then quickly agreed to cover all the costs after my exclamation of outrage. In fairness, they have been good about the car in all other ways so far!
Car in to have this sorted out so fingers crossed....
- without it I would have the car back without the buttons working... 
