B1479Lighting
Front Right Turn Signal Circuit
B1479 indicates a fault in the front right turn signal lamp circuit. The body module detects an open or shorted bulb or wiring for that lamp.
🚗 Yes, but a non-working turn signal is a safety and legal concern.
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🎯 Top Causes, Ranked by Likelihood
#1Burned-out turn signal bulb$5-$30
A blown bulb opens the circuit and sets the code.
#2Corroded socket or connector$0-$60
A corroded bulb socket loses contact.
#3Wiring fault to the lamp$50-$200
A broken or shorted wire disrupts the circuit.
🩺 Common Symptoms
- Front right turn signal not working
- Rapid flash (hyperflash) on that side
- Bulb-out warning message
- Lighting code stored
💰 Repair Cost: DIY vs Shop
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🔧 How to Diagnose B1479
1Inspect and replace the front right turn signal bulb
2Check the socket for corrosion
3Test the wiring and connector for continuity
4Repair the wiring if the bulb and socket are good
❓ Frequently Asked Questions
Why does my turn signal flash fast with B1479?
A burned-out bulb reduces circuit load, causing the hyperflash.
Can I drive with B1479?
Yes, but a dead turn signal is a safety and legal issue, so replace the bulb soon.
What causes B1479?
Most often a blown bulb, sometimes a corroded socket or wiring.
🔗 Related Codes
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