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
$10 to $400
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. P0888 TCM Power Relay Sense Circuit High

    The P0888 code means the transmission computer has found a fault in the power feed or the ground of its power relay circuit. It can send the transmission into limp mode or cause erratic shifting. Check the fuse, relay and grounds before you condemn any component.

    Step-by-step diagnosis for P0888