Vauxhall Owners Network Forum banner
13K views 8 replies 2 participants last post by  TomP1993  
What was the FULL code ?
the 2 digit symptom byte helps with identifying a possible fix

P0403
-01 Exhaust Gas Recirculation Circuit High Voltage
-02 Exhaust Gas Recirculation Circuit Low Voltage
-04 Exhaust Gas Recirculation Circuit Open
 
That doesn't help much,the last section you posted for causes sums it up quite well though
 
  • Like
Reactions: andy_v