What Does B1468 Mean?
B1468 indicates the Body Control Module (BCM) has detected a fault in the chime input request circuit. This code means the BCM is not receiving proper signals from components that trigger audible chimes/warnings (door ajar, key-in-ignition, lights on, seatbelt, etc.). The circuit fault prevents the system from activating warning chimes when required conditions are met.
Common Causes
35%
Faulty Body Control Module (BCM) internal circuitry or software corruption
30%
Open or short circuit in chime request wiring harness between input devices and BCM
20%
Defective chime module or speaker assembly preventing proper circuit operation
10%
Failed input switch or sensor sending chime request (door switch, ignition switch, etc.)
5%
Corroded or damaged BCM connector pins causing intermittent signal loss
Diagnostic Steps
1
Step 1: Perform visual inspection of BCM and all related connectors for corrosion, damage, bent pins, or loose connections. Check all ground connections associated with the chime circuit for tightness and corrosion.
2
Step 2: Using a digital multimeter, test for continuity in the chime request circuit wiring from the BCM connector to each chime input device (door switches, ignition switch, etc.). Check for resistance values within manufacturer specifications (typically 0-5 ohms).
3
Step 3: With ignition on, measure voltage at the chime module/speaker connector to verify BCM is sending proper power and ground signals. Expected readings are typically battery voltage (12-14V) on power supply and less than 0.5V on ground.
4
Step 4: Test individual chime trigger inputs by manually activating each function (open door, insert key, leave lights on) while monitoring BCM data stream for proper signal recognition. Note which inputs fail to register.
5
Step 5: If all wiring and inputs test normal, perform BCM functional test using manufacturer-specific diagnostics to verify internal circuit operation. Check for available software updates or reflash procedures for the BCM.
6
Step 6: After repairs, clear codes and perform complete system verification by testing all chime functions (door ajar, key reminder, lights on, seatbelt warning) to confirm proper operation before returning vehicle to service.
Estimated Repair Cost
$100 - $650
Parts + labor, varies by vehicle and location
B1468 indicates the Body Control Module (BCM) has detected a fault in the chime input request circuit. This code means the BCM is not receiving proper signals from components that trigger audible chimes/warnings (door ajar, key-in-ignition, lights on, seatbelt, etc.). The circuit fault prevents the ...
The most common cause of B1468 (Chime Input Request Circuit Failure) is: Faulty Body Control Module (BCM) internal circuitry or software corruption
Typical repair costs for B1468 range from $100 to $650, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Safe to continue driving as this only affects audible warning chimes. However, repair should be completed promptly as you will not receive audible alerts for important warnings like door ajar, lights left on, or seatbelt reminders, which could lead to dead battery or reduced safety awareness.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to B1468 to identify the root cause.
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Quick Info
Category
Body
System
Body Control and Warning Systems
Difficulty
Type
Manufacturer
Recommended Tools
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