archwayanimal
Active Member
M&S lights have come on - showing 0753 fault. Changed the XYZ switch a few weeks ago but has been fine. Can clear the fault but comes back after a minute or so of driving. Any ideas?
sierrafery
Well-Known Member
P0753 is about the shift control solenoid MV1 which is in the valve block or the circuit to it(chafed loom on that path ?), the XYZ switch has nothing to do with it... if the loom is intact you can see if it clicks or not forced with nanocom or similar... unless it's a problem in the circuit between the console plug and TCU.... troubleshooting is needed
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archwayanimal
Active Member
Thank you Sierrafery - we will drop the valve block and also check the loom.
archwayanimal
Active Member
Pretty sure this is a wiring issue around the P clip. Going to try to access the loom by removing the centre console today etc. Happy with the process of removing the console and drilling out the rivets to remove the inspection cover etc, but do i need to disconnect the gear lever cable for better access or can this be done with it in place?
sierrafery
Well-Known Member
You'll decide when you get there
... i have no personal experience with this
archwayanimal
Active Member
So I got as far as the inspection plate, which judging by the rivets has been out before. But the plate had been riveted back with the plate under the inspection hole, rather than over. If I had tried to drill it out the plate would have been in the way of the loom etc?! Is that right? Surely it should sit on top of the inspection hole and be riveted from on top?
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archwayanimal
Active Member
Still waiting to inspect the loom for the solenoid issue but was having trouble starting and realised battery was dying so had to replace. It’s now starting perfectly with new battery, but chucking the P1843 code (can timeout monitoring) constantly - as soon as I clear it with Nanocom it comes back. Also noticed a load of crap on the drive that came out of the exhaust today after I fired it up with new battery. Not had that before. I had checked red plug into ECU and no oil - recently changed the injector loom to the posh version which claims to prevent oil travelling in the first place.
sierrafery
Well-Known Member
that one is about the engine ECU's black plug - TCM data link which goes through that square grey connector near the ECU, white - yellow wires, eventually give it some contact spray.... nothing to do with the other code
archwayanimal
Active Member
Thank you. Did actually find some oil in the grey connector and in the red plug, so thoroughly sprayed contact cleaner on both plus the black plug and of course the ECU itself
archwayanimal
Active Member
PopPops
Well-Known Member
Well done! Was that one of the wires in the loom near the P clip?
archwayanimal
Active Member
It certainly was!
I'm beginning to think this flipping thing is a ticking time bomb.
Can I BA to drill the rivets out just to check it out?
It appears so often on here.....
alternatively I think it might be possible to get at it from underneath.
PopPops
Well-Known Member
Yes, you can see it from underneath. I wrapped mine with “spiral wrap”, as an extra covering in that area before it actually damaged the loom.
Might well be a plan that!!
Cheers!
