WOMS
B code body Medium severity

B2195 Driver Window Up / Down Power Circuit Short to Ground

The OBD2 code B2195 indicates a short circuit to ground in the power circuit for the driver's window up/down function, suggesting a malfunction in the wiring or components related to the driver's window control

Definition

The OBD2 code B2195 indicates a short circuit to ground in the power circuit for the driver's window up/down function, suggesting a malfunction in the wiring or components related to the driver's window control

Common causes

  • Damaged wiring or harness
  • Faulty window switch
  • Shorted power window motor
  • Grounding issues
  • Corroded connectors
  • Faulty body control module (BCM)
  • Water intrusion or moisture damage

Common misdiagnoses

  • Faulty window switch
  • Defective power window motor
  • Wiring harness issues
  • Body control module (BCM) failure
  • Grounding issues
  • Shorted or damaged wiring
  • Faulty relay
  • Incorrectly installed window regulator

Troubleshooting steps

  1. 1. Visual Inspection

    Wiring and Connectors: Check the wiring harness and connectors associated with the driver window switch and motor. Look for any signs of fraying, corrosion, or damage

  2. 2. Ground Connections

    Inspect ground connections for the window motor and switch. Ensure they are clean and secure

  3. 3. Check the Window Switch

    Functionality Test: Test the driver window switch for proper operation. You can use a multimeter to check for continuity when the switch is pressed

  4. 4. Replace if Necessary

    If the switch is faulty, replace it and see if the code clears

  5. 5. Inspect the Window Motor

    Motor Operation: Test the window motor by applying direct power to it. If the motor does not operate, it may be faulty and require replacement

  6. 6. Resistance Check

    Measure the resistance of the motor windings. If the resistance is too low (indicating a short), the motor may need to be replaced

  7. 7. Check for Shorts

    Continuity Test: Use a multimeter to check for continuity between the power wire and ground. A short circuit will show continuity where there should be none

  8. 8. Inspect for Pinched Wires

    Look for any pinched or damaged wires that could be causing a short to ground

  9. 9. Examine the Power Supply

    Voltage Check: Ensure that the window motor is receiving the correct voltage when the switch is activated. Use a multimeter to measure voltage at the motor connector

  10. 10. Fuses and Relays

    Check the relevant fuses and relays in the power window circuit. Replace any blown fuses and test the relays for proper operation

  11. 11. Scan for Additional Codes

    Check for Other Codes: Use an OBD-II scanner to check for any additional trouble codes that may provide more context or indicate related issues

  12. 12. Clear Codes and Test Drive

    Clear the Code: After performing repairs, clear the trouble code using an OBD-II scanner

  13. 13. Test Drive

    Take the vehicle for a test drive to see if the code returns. Monitor the window operation during this time

  14. 14. Consult Wiring Diagrams

    Refer to Service Manual: If the issue persists, consult the vehicle’s service manual for wiring diagrams and troubleshooting procedures specific to the power window circuit

  15. 15. Professional Help

    Seek Assistance: If you are unable to resolve the issue after these steps, consider seeking help from a professional mechanic or automotive technician. By following these steps, you should be able to identify and address the cause of the B2195 code effectively. Always ensure safety precautions are taken when working with electrical systems in vehicles