WOMS
B code body Medium severity

B2336 Mirror Switch Assembly Circuit Failure

The OBD2 code B2336 indicates a malfunction in the mirror switch assembly circuit, which may involve issues with the wiring, connectors, or the switch itself, affecting the operation of the vehicle's mirror adjustments

Definition

The OBD2 code B2336 indicates a malfunction in the mirror switch assembly circuit, which may involve issues with the wiring, connectors, or the switch itself, affecting the operation of the vehicle's mirror adjustments

Common causes

  • Faulty mirror switch assembly
  • Damaged wiring or connectors
  • Short circuit in the circuit
  • Open circuit in the circuit
  • Corrosion or poor connections
  • Faulty body control module (BCM)
  • Malfunctioning power mirror motors

Common misdiagnoses

  • Faulty mirror switch
  • Wiring issues or shorts in the circuit
  • Malfunctioning body control module (BCM)
  • Defective power mirror motors
  • Issues with the door harness
  • Problems with the vehicle's electrical system
  • Incorrectly diagnosed as a problem with 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 the Mirror Switch Assembly

    Visually inspect the mirror switch for any signs of damage, corrosion, or loose connections. Ensure that the switch is securely mounted and that there are no broken wires

  3. 3. Test the Mirror Switch

    Use a multimeter to test the continuity of the mirror switch. Check for proper voltage and ground at the switch terminals when the switch is activated. If the switch is faulty, it may need to be replaced

  4. 4. Check Wiring and Connectors

    Inspect the wiring harness and connectors leading to the mirror switch assembly. Look for frayed wires, broken connectors, or any signs of wear and tear. Repair or replace any damaged components

  5. 5. Inspect the Power and Ground Circuits

    Verify that the mirror switch is receiving power and has a good ground connection. Use a multimeter to check for voltage at the switch and ensure that the ground is solid

  6. 6. Check for Short Circuits

    Look for any short circuits in the wiring that could be causing the failure. This may involve checking for continuity between wires that should not be connected

  7. 7. Test the Mirror Motor

    If the mirror switch appears to be functioning correctly, test the mirror motor itself. If the motor is faulty, it may not respond to the switch inputs

  8. 8. Inspect Related Components

    Check other components related to the mirror system, such as the body control module (BCM) or any fuses associated with the mirror circuit. A blown fuse can cause the circuit to fail

  9. 9. Clear the Code and Test Drive

    After performing repairs, clear the trouble code using the OBD-II scanner and take the vehicle for a test drive to see if the code reappears

  10. 10. Consult a Professional

    If the issue persists after performing these steps, it may be necessary to consult a professional mechanic or technician who has experience with automotive electrical systems. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the B2336 code. Always refer to the vehicle's service manual for specific information related to the make and model you are working on