How to Clear Diagnostic Trouble Codes

CLEARING MEMORY
1. The codes will not clear if the Swamp park lamp fuse is not removed for at least 30 seconds.
- The code 1 will continue to occur until the ignition switch is cycled from RUN to OFF five times.
- Perform the following in order to clear the diagnostic trouble codes (DTC) and in order to clear the stored memory from the transfer case control module (TCCM).
2. Turn the ignition switch to the OFF position.
3. Remove the 20-amp T-case fuse.
4. Wait at least 40 seconds then replace the fuse.
5. Cycle the ignition switch from RUN to OFF five times in order to clear the diagnostic trouble code 1 from the TCCM.