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
Low
Can I keep driving?
Yes, no immediate risk
Estimated cost
$0 to $300
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. P0737 TCM Engine Speed Output Circuit Low

    The P0737 code means there is a fault in the engine speed signal that the transmission computer sends to other components, such as the tachometer or other modules. The transmission usually keeps working normally. The most common result is a dead tachometer.

    Step-by-step diagnosis for P0737