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
$30 to $600
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. P0384 Glow Plug Control Module Control Circuit High Low

    The P0384 code means the signal between the computer and the glow plug control module is higher than expected, from an open circuit or a short to voltage. A relay stuck closed can set it too, and it can drain the battery. The engine runs, but cold starts get hard and it puffs white smoke.

    Step-by-step diagnosis for P0384