There are 33 choices

• ABS
  • 4x2
    • (ID CL34-2C219-AA thru AD)
  • 4x4
    • (ID CL34-2C219-BA thru BD)
• Air Bag
  • Crew Cab
    • ID CL34-14B321-AA
    • ID CL34-14B321-AB
  • Regular Cab
    • ID CL34-14B321-BA
    • ID CL34-14B321-BB
  • Super Cab
    • ID CL34-14B321-AA
    • ID CL34-14B321-AB
• Body Control (BCM)
  • (Passenger Side kick panel)
• Communication
  • (voice recognition, Sync module)
    • ID CE5T-14D212-AA
    • ID CE5T-14D212-AB
    • ID CL3T-14B428-BA
    • ID CL3T-14D212-AA
• Differential Lock
  • (Passenger Side kick panel, 4x2 only)
    • (electronic locking differential)
      • ID BL3A-7H417-CB
      • ID BL3A-7H417-CC
      • ID CL3A-7H417-AA
      • ID CL3A-7H417-AB
• Driver Side Assist
  • (park assist module)
• Fuel Pump
  • (frame mounted)
• Lamps
  • (headlamp)
• Memory
  • (seat)
• Seat
  • heat only
    • (ID 9U5T-14E695-AA thru AC)
  • heated and cooled seats
    • ID BU5T-14E695-AA
    • ID BU5T-14E695-AB
• Temperature
  • navigation system
    • (center dash behind control panel)
      • heated and cooled seats
        • (ID BL3T-18C612-AA thru AF)
      • heated seats only
        • (ID BL34-18C612-FA thru FF)
  • Without navigation system
    • (blower case mounted)
      • ID BL34-19E624-AA
      • ID BL34-19E624-AB
• Towing Control
  • (dash mounted)
• Transfer Case
  • (electronic shift on the fly)
    • (under heater box, Passenger Side interior cab)
      • 3 mode transfer case
        • ID CL3A-7H417-BA thru BE
        • ID CL3A-7H417-CA thru CE
      • 4 mode transfer case
        • (2 speed torque on demand)
          • ID CL3A-7H417-FA thru FD
          • ID CL3A-7H417-GA thru Dark Green