Engine Code

Test 1 - 3:

Test 4:

SYMPTOM
P0837-4WD MUX SWITCH PERFORMANCE

WHEN MONITORED
Continuously with the ignition on.

SET CONDITION
The 4WD muxed switch input detected in an invalid range or irrational switch state.

POSSIBLE CAUSES
- Related DTCs present
- Transfer case shifter out of adjustment
- Transfer case position sensor out of tolerance
- Powertrain control module