Diagnostic Test

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTC's
3. Operate the Rear Right Window up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read DTC's.
  Does the scan tool display B18B8-MASTER SWITCH-REAR RIGHT 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 .