Selector Switch/Transfer Case Mismatch

Test 1 - 2:

Test 3 - 8:

Test 9 - 13:

Test 14:

SYMPTOM
SELECTOR SWITCH/TRANSFER CASE - MISMATCH

WHEN MONITORED
Ignition on, with the engine running.

SET CONDITION
When the default position (2WD/AWD) is selected on the Transfer Case Selector Switch, the Transfer Case Control Module performs a diagnostic routine to verify that the correct Transfer Case Selector Switch is in place.

POSSIBLE CAUSES
- Charging system DTCs present
- Other transfer case DTCs present
- Verify module type 233/2WD
- Verify module type 244/AWD
- Verify selector switch 233/2WD
- Verify selector switch 244/AWD
- 5-volt supply circuit open
- Mode select circuit open
- Transfer case selector switch 233/2WD
- Transfer case selector switch 244/AWD
- Transfer case control module
- Intermittent wiring and connectors