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
$40 to $300
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. P0126 Insufficient Coolant Temperature for Stable Operation Low

    The P0126 code means the coolant did not reach the temperature expected for stable engine operation. Like P0125 and P0128, the usual cause is a thermostat that stays open.

    Step-by-step diagnosis for P0126