Multi-code OBD2 diagnosis

Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.

Summary

Overall severity
Low
Can I keep driving?
Yes, no immediate risk
Estimated cost
$60 to $400
Codes analyzed
1 of 1

The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.

Order of inspection

  1. P2403 Evaporative Emission System Leak Detection Pump Sense Circuit Low

    The P2403 code means the computer found an electrical fault in the sensor circuit of the EVAP leak detection pump. The main effect is that the EVAP monitor does not complete. It does not affect how the car drives.

    Step-by-step diagnosis for P2403