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
Medium
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. P1529 Transmission Control Module Request to Turn On the Warning Light (Hyundai and Kia) Medium

    On Hyundai and Kia vehicles, the P1529 code means the transmission computer has asked the engine computer to turn on the check engine light. You may notice harsh shifts or limp mode. It is not a fault by itself: it points to codes stored in the transmission module.

    Step-by-step diagnosis for P1529