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
$20 to $250
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. P0836 Four Wheel Drive (4WD) Switch Circuit Medium

    The P0836 code means the computer found an electrical fault in the circuit of the four wheel drive switch. The main effect is wrong shifting and a wrong speedometer reading when the truck is in 4WD. The connector is the most common culprit, so start there.

    Step-by-step diagnosis for P0836