Had a new gearbox fitted in march {the second one in a six month period} and it's failed. It was in tiptronic mode but the dash display kept on flitting between tip and auto mode and the box would change up and down for apparently no reason. I wasn't driving hard at all, just running at a constant 50mph and on slowing down for a roundabout the car just coasted. All the auto functions lit up at once on the dash, and the car had no drive. After a few seconds the car lurched a bit and I managed to crawl round the roundabout in first gear. A scan revealed fault code 17090, transmission range sensor f125:implausable signal:P0706.
Shouldn't the F125 switch be a new one on this replacement gearbox? If it is then surely the warranty should cover this?
Any advise would be much appreciated as I'm getting truely sick of this car, it's the most badly developed,unreliable piece of crap I've ever had the misfortune to own...It just shouldn't be like this.
gearbox problem
RE: gearbox problem
what do audi say , presume they replaced it ?
Now : XFR Jag 5.0 Supercharged
Used to have : C5 Daytona Avant , silver leather , carbon inserts ; RNSE, TV in motion, Bluetooth , well filled SD card slots ; PSS9's ; Hotchkiss ARB's ; Miltek cat back res ; Wagner intercoolers ; Phaeton brake ducts ; forge DV's ;
Used to have : C5 Daytona Avant , silver leather , carbon inserts ; RNSE, TV in motion, Bluetooth , well filled SD card slots ; PSS9's ; Hotchkiss ARB's ; Miltek cat back res ; Wagner intercoolers ; Phaeton brake ducts ; forge DV's ;
Doesn't sound like a "classic" box failure. Sounds like the F125. The connector corrodes and causes all sorts of problems.

source
source
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
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