B0339Medium Severity
Body Control Module Fault (System 0339)
This diagnostic trouble code indicates a malfunction in the associated component circuit.
Common Symptoms of B0339
- Interior electronic failure
- Airbag or restraint warning light
What Causes the B0339 Code?
- BCM fault
- Blown fuse
- Wiring short
How serious is the B0339 code?
Because this code has a medium severity level, it is highly recommended to address it promptly. Driving with an active B0339 fault can lead to secondary component failures and decreased fuel economy.
How do you definitively diagnose and fix B0339?
To accurately diagnose the B0339 fault code, you need the exact OEM wiring diagram and diagnostic test procedures for your specific vehicle. Create an Auto Fix Data account to instantly pull the factory diagrams for this fault.
Fix B0339 Now
Access the OEM repair manual and interactive wiring diagram to diagnose this exact code.
- Pin-to-pin wiring diagrams
- Component testing steps
- Technical Service Bulletins
- Identifix confirmed fixes
Related Fault Codes
P0001
Fuel and Air Metering System Malfunction (Circuit 0001)
P0002
Fuel and Air Metering System Malfunction (Circuit 0002)
P0003
Fuel and Air Metering System Malfunction (Circuit 0003)
P0004
Fuel and Air Metering System Malfunction (Circuit 0004)
P0005
Fuel and Air Metering System Malfunction (Circuit 0005)
P0006
Fuel and Air Metering System Malfunction (Circuit 0006)