P0837 OBD II Trouble Code Four Wheel Drive (4WD) Switch Circuit Range/Performance

How to easily diagnose and repair, and causes of a P0837 electrical code which indicates a range or performance problem in the four wheel drive switch circuit.

Symptoms of P0837 OBD II Trouble Code

Common Causes of P0837 OBD II Trouble Code

Severity of P0837 OBD II Trouble Code