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C4 - DS4 Owners :: Forums :: C4 2011 (B7) DS4 and DS4 CROSSBACK :: The Garage
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B1223 fault
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Author Post
Rizwan   
Sat Jan 18 2020, 07:19am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Snap diagnosis said b1223 b1224 b1227 b1228 errors stating short circuit to positive any ideas ppl as per pic
Rizwan   
Sat Jan 18 2020, 07:21am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Second screen on machine showed all as short circuit. Iv tried new ECU too nothing.
Also done bsi reset nothing
Also cleared codes but returned immediately
No issues with wiring. Tried multimeter on connectors all showed same current
rusky   
Sat Jan 18 2020, 04:54pm
Member No: #27768
Joined: Oct 13 2012
Location: Hove
 I would try a different reader as those codes don't look like PSA codes & no-one's reported them here
BigJohnD   
Sun Jan 19 2020, 05:44am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
rusky wrote ...

I would try a different reader as those codes don't look like PSA codes & no-one's reported them here

Agreed.

For B1223, Google gave me a Climate Control Unit fault.
A PSA B1223 fault code relates to the EGR sensor.
Rizwan   
Thu Jan 23 2020, 09:41pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Cheers but the error code post shows these codes as sensor related - Click Here - thanks
 

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