I think the switch works as 3 separate ones, and if one or two of the other switches don't flick, the control units end up rerouting power from different wires and can struggle with voltage.
Different car, but similar switch, and you can see the odd collection of problems. Fault codes should reflect power problems with "terminal R" I think
well that guy said it was cruise control and the navigation/radio would turn on and off. can it effect other stuff? and before the whole thing happened for me, things used to turn back to normal while driving. at least my cruise control works perfectly (did yesterday at least) and the navi/radio works fine too except all dash died. i was going to do diagnostic yesterday but the guy never answered the phone to meet him. so cant do anything till next week.
I've had it where the car cuts out for a second then restarts, the interior lights coming on, and ABS lights coming on, so it turns up as odd electrical problems.
The switch isn't that cheap, so best to get codes read first, and maybe check the battery leads are tight before buying anything.
Thanks for the help guys, Beating when are u having ur codes read dude? I doubt my bro will do that unless he really has to.
after going over the car my bro found that there was damp in the heating system for the car (you know the deisel powered one that produces heat before the engine gets hot - i didnt know it even had this lol) so alls working for now after it's dried out... he's sealed it up so we'll see if this happens again.
another guy agreed to do diagnostic tomorrow or a day after tomorrow.
by saying heating system do you mean WEBASTO? because i disconnected that one half year ago. it was draining my battery too fast
Auxillary heater = "webasto"
If it is anything like the others I have seen, it will have 2 faults for power and K-line communications stored.
I'm not sure what the fix is, most likely the heater unit part itself.
there was a lose wire in electric system and that caused all the problems
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