B1469 – Chime Input Request Circuit Open

The ODBII code B1469 indicates that there is an open circuit in the chime input request circuit, which means the system is not receiving the expected signal from the chime or alert system.

The severity of ODBII code B1469 is generally considered moderate.

Common Causes For: B1468 Chime Input Request Circuit Failure

• Faulty chime switch
• Open or shorted wiring in the chime circuit
• Poor connections or corroded terminals
• Malfunctioning body control module (BCM)
• Defective chime module or speaker
• Blown fuse related to the chime circuit

Common misdiagnosis for B1469 Chime Input Request Circuit Open

• Faulty chime module
• Open or shorted wiring
• Defective ignition switch
• Malfunctioning body control module (BCM)
• Issues with the instrument cluster
• Faulty door switch
• Battery or power supply issues
• Ground connection problems

Common Troubleshooting Steps

The OBD-II code B1469 refers to a “Chime Input Request Circuit Open.” This code typically indicates that there is an issue with the chime input circuit, which is responsible for signaling alerts or warnings to the driver. Here are some common troubleshooting steps to diagnose and resolve this issue:

• Check the Vehicle’s Manual: Refer to the vehicle’s service manual for specific information related to the chime input circuit and the components involved.
• Visual Inspection: Inspect the wiring and connectors associated with the chime input circuit for any signs of damage, corrosion, or loose connections.
• Look for frayed wires, broken connectors, or any other physical damage.
• Check Fuses: Locate and check the fuses related to the chime system. A blown fuse could cause the circuit to be open.
• Test the Chime Module: If applicable, test the chime module or chime relay to ensure it is functioning correctly. You may need to refer to the service manual for testing procedures.
• Use a Multimeter: Use a multimeter to check for continuity in the chime input circuit. This will help identify if there are any breaks in the wiring.
• Measure voltage at the chime input circuit to ensure it is receiving the correct voltage.
• Inspect Related Components: Check other components that may be related to the chime system, such as door switches, seatbelt switches, or ignition switches, as they may affect the chime input circuit.
• Clear the Code: After performing inspections and repairs, clear the trouble code using an OBD-II scanner and see if the code returns after a test drive.
• Check for Additional Codes: Look for any other related trouble codes that may provide more context or indicate additional issues.
• 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.
• Consider Software Issues: In some cases, a software update or reprogramming of the vehicle’s control modules may be necessary if the issue is related to a software glitch. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the B1469 code. Always ensure safety precautions are taken when working on a vehicle’s electrical system.