Titan 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
1. Disconnect heater switch resistor connector. See Figure 2.
2. Loosen two screws located on the heater switch resistor. See Figure 2.
3. Replace the heater switch resistor with part number 27151-ZW00A. See Figure 1.
4. Reassemble the vehicle components in reverse order of removal.
5. Check to make sure the issue has been resolved.