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
$150 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. P0744 Torque Converter Clutch Circuit Intermittent High

    The P0744 code means the torque converter clutch circuit fails on and off: sometimes it locks and sometimes it does not. The telltale symptom is a shudder at steady speed, like driving over a rumble strip. The condition of the fluid is the first thing to check.

    Step-by-step diagnosis for P0744