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Air-con P0645 Code

Transit Mk6 & Mk7 Forum. All Transits 2000 - 2013

Air-con P0645 Code

Postby MinOMins » Sun Jun 17, 2018 11:45 am

Hello,
Anybody had this fault code?

P0645: A/C clutch relay control circuit, signal stuck low.

Mk7 Dciv 2010

Done a resistance test on the A/c pump coil and found continuity.
Also done a mighty fiddly made-up wire and jump lead test on the pump clutch.
The clutch does jump in and out when connecting the leads, so does this confirm the coil and clutch are ok?

Thinking about replacing the relay but was wondering if anybody has come up against this fault before.

The dash switch lights up and the fan kicks in when the button is pressed.

Thanks...
Mk2, 1980 W, 2.0 Pinto, Twin Webers, SWB, SHR, swapped 94k
Mk3, 1999 T, 2.5 Di, LWB, SHR, Sold 72k to pestering mate
Mk3, 2000 V, 2.5 Di, SWB, SHR, Welded for ever and Scrapped 385k
Mk7, 2010 60, 2.2 SRFA Engine, 115/T280, FWD, DCIV, SWB, MHR
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