Octavia 2004 TDI 66kw engine has engine light on had it checked at dealers they found no faults only stored codes 18027 17946 17849 19561 17957 they reset code next day same again had it checked they found no faults only codes this is happening every two to three days help .could there be a faulty cable or solenoid have checked out solenoid they are giving resistance of 15 ohms and there is voltage 12 volts to them when ignition is on .

Edited 11 October, 201114 yr by Peter63collins

http://wiki.ross-tech.com/wiki/index.php/Category:Fault_Codes

Engine light? Flashing glowplug light?