WOMS
C code chassis Medium severity

C1935 Chime Circuit Failure

The OBD2 code C1935 indicates a failure in the chime circuit, which is responsible for alert sounds in the vehicle, often related to warnings or notifications

Definition

The OBD2 code C1935 indicates a failure in the chime circuit, which is responsible for alert sounds in the vehicle, often related to warnings or notifications

Common causes

  • Faulty chime module
  • Open or shorted wiring in the chime circuit
  • Poor ground connection
  • Malfunctioning ignition switch
  • Defective body control module (BCM)
  • Corroded connectors or terminals
  • Software issues in the vehicle's control modules

Common misdiagnoses

  • Faulty chime module
  • Wiring issues or shorts
  • Faulty body control module (BCM)
  • Instrument cluster problems
  • Battery or power supply issues
  • Faulty door switches
  • Incorrectly diagnosed speaker or audio system issues

Troubleshooting steps

  1. 1. Check the Vehicle's Owner Manual

    Refer to the owner's manual for specific information related to the chime system and any related fuses or components

  2. 2. Inspect Fuses

    Locate the fuse box and check for any blown fuses related to the chime or alert system. Replace any blown fuses and see if the code clears

  3. 3. Examine Wiring and Connectors

    Inspect the wiring and connectors associated with the chime circuit. Look for signs of damage, corrosion, or loose connections that could affect the circuit's functionality

  4. 4. Test the Chime Module

    If your vehicle has a dedicated chime module, test it for proper operation. This may involve checking for power and ground at the module and ensuring it responds correctly when activated

  5. 5. Scan for Additional Codes

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

  6. 6. Check for Software Updates

    Some vehicles may require software updates to the body control module (BCM) or other related modules. Check with the manufacturer or a dealership for any available updates

  7. 7. Inspect Related Components

    Check other components that may be linked to the chime system, such as door switches, seatbelt sensors, or the ignition switch. Ensure they are functioning correctly

  8. 8. Clear the Code and Test Drive

    After performing any repairs or inspections, clear the code using an OBD-II scanner and take the vehicle for a test drive to see if the code returns

  9. 9. Consult a Professional

    If the issue persists after performing the above steps, it may be necessary to consult a professional mechanic or technician who has experience with your specific vehicle make and model

  10. 10. Document Findings

    Keep a record of any findings, repairs made, and codes retrieved. This documentation can be helpful for future reference or if you need to seek professional assistance. By following these steps, you should be able to identify and potentially resolve the issue related to the C1935 code