Climate control causing ABS and brake “fault”

George Hogg

A2OC Donor
An odd one for me anyway, after having done a bit of a tidy up when looking for a poor reception fault on a 90 it showed brake and ABS fault lights.
VCDS said 01314 engine control module and 013 check DTC memory
Searching through a few other modules it showed P1654 and P1655 missing message from A/C. As I’d had the climate control out I took it out again and lo and behold a loose plug. Popped it back in securely and the ABS and brake faults cleared and stayed off. I didn’t really believe that was it so I took it on a varied 21mile test run and that was it cleared.
I would not have thought a CC fault would have caused that.
 
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