OBD-II DTC B1469 – Chime Input Request Circuit Open
DTC B1469 meaning
DTC B1469 refers to a diagnostic trouble code indicating an issue with the Chime Input Request Circuit. This code is triggered when the vehicle’s onboard diagnostic system detects an open circuit in the chime input request, which is responsible for signaling various alerts and notifications to the driver through audible chimes.
DTC B1469 symptoms
Common symptoms associated with DTC B1469 may include:
- No audible chimes for alerts such as seatbelt reminders or door ajar warnings.
- Malfunctioning or non-functional warning indicators on the dashboard.
- Inconsistent chime sounds or chimes that do not activate when expected.
DTC B1469 causes
The causes of DTC B1469 can include:
- Open or shorted wiring in the chime input request circuit.
- Faulty chime module or control unit.
- Corroded or loose connectors in the circuit.
- Issues with the vehicle’s body control module (BCM).
DTC B1469 seriousness
DTC B1469 is considered a moderate issue. While it may not affect the vehicle’s drivability, it can lead to a lack of important auditory alerts that are crucial for safe driving. Ignoring this code may result in missing critical warnings, which could compromise safety.
How to diagnose DTC B1469
To diagnose DTC B1469, follow these steps:
- Use an OBD-II scanner to confirm the presence of the code.
- Inspect the chime input request circuit for visible damage or disconnections.
- Check the wiring and connectors for corrosion or loose connections.
- Test the chime module and BCM for proper operation.
- Perform continuity tests on the circuit to identify any open connections.
How to fix DTC B1469 step-by-step instructions
To fix DTC B1469, follow these steps:
- Repair or replace any damaged wiring or connectors in the chime input request circuit.
- If the chime module is faulty, replace it with a new unit.
- Ensure all connections are secure and free from corrosion.
- Recheck the BCM for any faults and replace if necessary.
- Clear the DTC using an OBD-II scanner and test the system to ensure proper operation.
How to erase DTC B1469
To erase DTC B1469, follow these steps:
- Connect an OBD-II scanner to the vehicle’s diagnostic port.
- Access the trouble codes menu on the scanner.
- Select the option to clear or erase codes.
- Confirm the action and wait for the scanner to complete the process.
- Disconnect the scanner and perform a test drive to ensure the code does not reappear.
Recommended tools for OBD-II diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.