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. P0909 Gate Select Control Error High

    The P0909 code means the gear select movement did not reach the position that the automated transmission computer asked for. The transmission can be left without gears. Run the relearn procedures, check the battery and then inspect the actuator and the mechanism.

    Step-by-step diagnosis for P0909