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C1A35-01 fault code

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sankeytrailer

Member Since: 23 May 2010
Location: suffolk
Posts: 28

2006 Discovery 3 TDV6 XS Manual Buckingham Blue

C1A35-01 fault code

Hi all, i've been working on this fault for months on and off and got nowhere. The car desperately needs a height calibration but my GAP IId won't perform this whilst the fault still exists. C1A35-01 reservoir valve - general electrical failure.
I have replaced the centre valve block (also serviced the compressor/new solenoid, new compressor relay and serviced front valve block with new seals and replaced the short compressor wiring cable.
The car will raise but when it is at off road height at rear the front is only at normal road height (GAP IID can't adjust that at the moment). Car will sink overnight by approx 10mm at rear and 20mm at front.
I don't get how the reservoir valve can lift the car at all if it has an electrical fault ??? Any ideas as to where to go next would be most welcome.
PS. The wiring diagram shows its power supply joined at connector C2293-7 anyone know which one this is ?

19th Sep 2024 1:03 pm

gstuart

Member Since: 21 Oct 2016
Location: kent
Posts: 14181

2005 Discovery 3 TDV6 Base 7 Seat Auto Java Black

Hi

Have u also checked the valve blocks to watch them open and close via the live dats along with ensuring the pressure sensor is getting the 5Vdc

Found using the live settings in the gap very useful , also the compressor readings are correct, will find the pressure sheet for u

Hope this helps

Click image to enlarge

19th Sep 2024 1:08 pm

gstuart

Member Since: 21 Oct 2016
Location: kent
Posts: 14181

Here u go

Click image to enlarge

19th Sep 2024 1:12 pm

sankeytrailer

Member Since: 23 May 2010
Location: suffolk
Posts: 28

C1A35-01 fault code

Thanks for all that gstuart. Are those connectors under the front passenger side wheel arch ?

19th Sep 2024 1:18 pm

gstuart

Member Since: 21 Oct 2016
Location: kent
Posts: 14181

Ur so welcome , Sorry should have said , indeed are behind the front passenger wheel arch liners

Plenty of us to help if u get stuck

19th Sep 2024 1:23 pm

gstuart

Member Since: 21 Oct 2016
Location: kent
Posts: 14181

Here’s a better picture of there location , plus other connectors at the rear near side wheel

Plse also note ref the earth eyelets I removed mine, cleaned with a dremel and then used some copperslip on re installation

Hope it helps

Click image to enlarge

19th Sep 2024 1:27 pm

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