B2700Body / Electrical
Door Lock Circuit Fault
B2700 indicates a fault in a door lock circuit. A module detected an electrical problem with a power lock actuator, switch, or its wiring.
🚗 Yes. Power door locks may not work, but driving is unaffected.
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🎯 Top Causes, Ranked by Likelihood
#1Failed door lock actuator$50-$250
A worn lock actuator draws too much current or fails to move.
#2Wiring or connector fault in the door jamb$50-$250
Wires flexing in the door jamb break or short over time.
#3Faulty lock switch$30-$150
A stuck or failed lock switch sends incorrect signals.
#4Body control module fault$150-$600
An internal module fault can misread the circuit.
🩺 Common Symptoms
- Power locks not working
- One door not locking or unlocking
- Lock switch unresponsive
- Related body codes
💰 Repair Cost: DIY vs Shop
📋 Free OBD2 Code Cheat Sheet
The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.
🔧 How to Diagnose B2700
1Identify which door lock circuit set the code
2Inspect the wiring in the door jamb boot for breaks
3Test the lock actuator operation and current draw
4Check the lock switch function
❓ Frequently Asked Questions
Can I drive with B2700?
Yes. Only power door locks are affected. You can lock the door manually until it is repaired.
What often causes B2700?
A failed lock actuator or broken wiring in the door jamb where wires flex repeatedly.
How is B2700 diagnosed?
Inspect the door jamb wiring and test the actuator and switch, then narrow down the fault.
🔗 Related Codes
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