Technical Error codes

wilkes

Member
Joined
Apr 9, 2012
Messages
107
Hi guys. Well the vans been running a bit rough and a rac friend of mine has used his unit to find these errors. The egr one I can understand but the P0683 seems a bit vague. Any ideas?
Thanks. ImageUploadedByFIAT Forum1447952118.133771.jpg
 

Davren

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Staff member
Joined
Jul 6, 2008
Messages
15,424
Location
London, UK.
P0683 = Glow Plug Control Module to PCM Communication Circuit.

It could be a break or poor connection in the wiring between the glowplug control unit and the engine management ECU.

the p0103 is just a faulty light earth.

P0103 = Mass or Volume Air Flow Circuit High Input.
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