WOMS
B code body Medium severity

B1237 Window Feedback Out of Range

The OBD2 code B1237 indicates that the window feedback signal is out of the expected range, suggesting a potential issue with the window motor, regulator, or related wiring

Definition

The OBD2 code B1237 indicates that the window feedback signal is out of the expected range, suggesting a potential issue with the window motor, regulator, or related wiring

Common causes

  • Faulty window motor
  • Defective window regulator
  • Damaged wiring or connectors
  • Malfunctioning body control module (BCM)
  • Misaligned window
  • Obstruction in the window track
  • Low battery voltage or electrical issues

Common misdiagnoses

  • Faulty window motor
  • Defective window regulator
  • Wiring issues or shorts
  • Malfunctioning body control module (BCM)
  • Incorrectly calibrated window position
  • Bad switch or control panel
  • Software glitches in the vehicle's computer system

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are multiple issues

  2. 2. Inspect Window Switches

    Examine the power window switches for any signs of damage or malfunction. Ensure that they are functioning correctly and making proper contact

  3. 3. Examine Wiring and Connectors

    Inspect the wiring harness and connectors associated with the power window system. Look for frayed wires, corrosion, or loose connections that could affect the feedback signal

  4. 4. Test the Window Motor

    The window motor may be faulty. Test the motor by applying direct power to it to see if it operates correctly. If it does not, the motor may need to be replaced

  5. 5. Check Window Position Sensors

    Some vehicles have position sensors that provide feedback to the control module. Ensure these sensors are functioning correctly and are not damaged

  6. 6. Inspect the Window Regulator

    The window regulator may be malfunctioning or damaged. Check for any physical obstructions or issues that could prevent the window from moving properly

  7. 7. Reset the System

    Sometimes, resetting the vehicle's computer can clear temporary faults. Disconnect the battery for a few minutes, then reconnect it and see if the code reappears

  8. 8. Recalibrate the Window System

    Some vehicles require a recalibration of the window system after repairs. Consult the vehicle's service manual for specific procedures

  9. 9. Check for Software Updates

    In some cases, a software update for the vehicle's control module may be necessary. Check with the manufacturer or a dealership for any available updates

  10. 10. Consult a Professional

    If the issue persists after performing these steps, it may be best to consult a professional mechanic or technician who has experience with the specific make and model of your vehicle. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the B1237 code