B1468 – OBD-II DTC

OBD-II DTC B1468 – Chime Input Request Circuit Failure

DTC B1468 meaning

DTC B1468 refers to a Chime Input Request Circuit Failure. This diagnostic trouble code indicates that there is an issue with the circuit responsible for sending chime requests to the vehicle’s chime module. The chime module is responsible for providing audible alerts for various vehicle functions, such as seatbelt reminders, door ajar warnings, and other notifications.

DTC B1468 symptoms

Common symptoms associated with DTC B1468 may include:

• No chimes or alerts when expected (e.g., seatbelt warning chime)
• Intermittent chime operation
• Dashboard warning lights may illuminate
• Possible issues with other vehicle functions that rely on the chime system

DTC B1468 causes

Several factors can lead to the occurrence of DTC B1468, including:

• Faulty chime module
• Wiring issues, such as damaged or corroded wires
• Poor connections in the chime input circuit
• Faulty switches that trigger chime requests
• Malfunctioning body control module (BCM)

DTC B1468 seriousness

The seriousness of DTC B1468 can vary. While it may not pose an immediate safety risk, the lack of audible alerts can lead to driver oversight of important vehicle notifications. It is advisable to address this issue promptly to ensure that all warning systems function correctly.

How to diagnose DTC B1468

To diagnose DTC B1468, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC B1468.
2. Inspect the chime module and its connections for any visible damage or corrosion.
3. Check the wiring and connectors in the chime input circuit for continuity and proper connections.
4. Test the switches that trigger chime requests to ensure they are functioning correctly.
5. Perform a scan of other related DTCs that may provide additional context for the issue.

How to fix DTC B1468 step-by-step instructions

To fix DTC B1468, follow these steps:

1. Clear the DTC using an OBD-II scanner.
2. Inspect and repair any damaged wiring or connectors in the chime input circuit.
3. Replace any faulty switches that may be causing the issue.
4. If necessary, replace the chime module.
5. Recheck all connections and ensure they are secure.
6. Reconnect the battery and perform a test drive to verify that the chime system is functioning properly.

How to erase DTC B1468

To erase DTC B1468, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the scanner’s menu and select the option to clear or erase DTCs.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle 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.