I am having problem with electronic manual gearbox on 3L A2. Gearbox type is 085. Hydraulic oil has been changed (=enough) , pressure sensor (G270) and speed sensor G38 as well. Most recent and most typical error codes are:
00263 - Transmission
27-10 - Implausible Signal - Intermittent
00841 - Transmission Hydraulic Pressure Sensor (G270)
35-10 - - - Intermittent
After changing gear to (typically) 3rd the system "gives up" =clutch pressed, engine on idle (no response from pedal) and then you are able just to roll. Stop car, switch engine off, put gear selector to N and you are able to continue running until this happens next time (=30sec-5min). This implausible signal error can occur when gear is on E, D or tiptronic. Ambient temperature has been between +5...-10'C. Clutch has been adjusted to 1,86V (recommended 1,8-2,0V), basic settings OK, creep point OK.
Any suggestion for reason?
- Worn out, slipping clutch? 2002, 177.000km driven and most likely original clutch. If clutch would slip, it could give unsyncronized signals between engine and transmission. By feeling the clutch is not slipping...
- electrical problem? where and what kind?
- hydraulic system, magnetic valves?
How to fix this?