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
High
Can I keep driving?
Yes, but with caution
Estimated cost
$0 to $1,500
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. P0612 Fuel Injector Control Module Relay Control High

    The P0612 code means the computer detected a fault in the relay that powers the injector module. Check the power supply and grounds before you replace the computer.

    Step-by-step diagnosis for P0612