Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. 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 Driver Window switch up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read the active DTC's.
  Does the scan tool display B1857-11-DRIVER WINDOW POSITION SENSOR POWER SUPPLY - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 2.
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
WINDOW MOTOR SHORTED

Fig 1: Driver Window Motor Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. With the scan tool, erase DTC's.
2. Turn the ignition off.
3. Disconnect the Driver Window Motor harness connector.
4. Turn the ignition on.
5. Operate the Driver Window switch up and down several times.
6. With the scan tool, read the active DTC's.
  Does the scan tool display B1857-11-DRIVER WINDOW POSITION SENSOR POWER SUPPLY - CIRCUIT SHORT TO GROUND?
  
  Yes
  - Go To 3.
  No
  - Replace the Window Motor (regulator) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(Q305) DRIVER WINDOW HALL SENSOR SUPPLY CIRCUIT FOR A SHORT TO GROUND

Fig 2: Checking Driver Window Hall Sensor Supply Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Driver Door Module C4 harness connector.
3. Measure the resistance between ground and the (Q305) Driver Window Hall Sensor Supply circuit.
  Is the resistance below 10, 000 Ohms?
  
  Yes
  - Repair the short to ground in the (Q305) Driver Window Hall Sensor Supply circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Driver Door Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .