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
$40 to $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. P0844 Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent High

    The P0844 code means the signal from transmission fluid pressure sensor or switch A cuts out or jumps intermittently. The main effect is that the transmission goes into limp mode. A bad connection or a damaged wire is the usual cause.

    Step-by-step diagnosis for P0844