Diagnostic Test
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- With the scan tool, record and erase the DTCs.
- Try to operate the Driver Window up and down several times.
- Wait 30 seconds.
- With the scan tool, read the DTCs.
Does the scan tool display B1854-DRIVER WINDOW CONTROL CIRCUIT LOW?
Yes
- Go to step 2
No
- The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
- WINDOW MOTOR SHORTED
- With the scan tool, erase the DTCs.
- Turn the ignition off.
- Disconnect the Driver Window Motor connector.
- Turn the ignition on.
- Operate the driver window switch up and down several times.
- With the scan tool, read the active DTCs.
Does the scan tool display B1854-DRIVER WINDOW CONTROL CIRCUIT LOW?
No
- Replace the Window Motor in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
Yes
- Go to step 3
- (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
- Turn the ignition off.
- Disconnect the Driver Door Module C1 connector.
- Measure the resistance between Ground and the (Q311) Driver Window Express Up Driver circuit.
Is the resistance below 1,000 ohms?
Yes
- Repair the (Q311) Driver Window Express Up Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
No
- Go to step 4
- (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO (Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT Fig 3: Checking Driver Window Express Down Driver Circuit For Short To Driver Window Express Up Driver Circuit
Courtesy of CHRYSLER LLC
- Measure the resistance between the (Q321) Driver Window Express Down Driver circuit and the (Q311) Driver Window Express Up Driver circuit.
Is the resistance below 1,000 ohms?
Yes
- Repair the (Q321) Driver Window xpress Down Driver circuit for a short to the (Q311) Driver Window Express Up Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
No
- Replace the Driver Door Module in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
- Measure the resistance between the (Q321) Driver Window Express Down Driver circuit and the (Q311) Driver Window Express Up Driver circuit.