Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Jeep Liberty Limited, 4WD, Part TimeFACTORY OEM SERVICE PROCEDURE
Hard Wired Outputs
The hard wired outputs of the BCM include the following:
- Courtesy lamp driver
- Courtesy lamp load shed
- Door lock relay control
- Driver door unlock relay control (premium with RKE only)
- Flip-up glass release motor driver
- Front fog lamp relay control (premium with front fog lamps only)
- Front wiper high/low relay control
- Front wiper on/off relay control
- Hazard lamp control
- High beam relay control
- Horn relay control (premium with RKE only)
- Instrument cluster wake up signal
- Low beam relay control
- Park lamp relay control
- Passenger door unlock relay control
- Rear fog lamp relay control (premium with rear fog lamps in markets where required only)
- Rear window defogger relay control
- RKE supply (premium with RKE only)
- Tailgate lock driver
- Tailgate unlock driver
- Vehicle speed output
- Vehicle speed sensor supply
- VTSS indicator driver (premium with VTSS only)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.