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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJEEP2011LIBERTY RENEGADE, PART TIMEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTMIRRORSDRIVER DOOR MODULE (DDM) (DMFL/R) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB18B7-MASTER SWITCH - REAR LEFT WINDOW SWITCH STUCKDIAGNOSTIC TEST
2011 Jeep Liberty Renegade, Part Time
Diagnostic Test
2011 Jeep Liberty Renegade, Part TimeSECTION Diagnostic Test
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- With the scan tool, record and erase DTC's
- Operate the Rear Left Window up and down several times.
- Wait 30 seconds.
- With the scan tool, read DTC's.
Does the scan tool display B18B7-MASTER SWITCH-REAR LEFT WINDOW SWITCH STUCK?
Yes
- Go To 2.
No
- The conditions that caused this code to set are not present at this time. Operate the switch several more times. If the switch ever sticks, replace it.
- Perform BODY VERIFICATION TEST. Refer to Standard Procedure .
- MASTER POWER WINDOW/DOOR LOCK SWITCH NOTE:
Anytime this code is active, the switch must be replaced.
Repair
- Replace the Driver Window/Door Lock Switch in accordance with service information.
- Perform BODY VERIFICATION TEST. Refer to Standard Procedure .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.