B0026Airbag/SRS
Left Side Deployment Loop Stage 2
B0026 indicates a fault in the left side stage 2 deployment loop for dual-stage side airbags. The higher-force loop is open, shorted, or out of range.
🚗 Yes, but the second-stage left side airbag may not deploy, so treat it as urgent.
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🎯 Top Causes, Ranked by Likelihood
#1Loose under-seat connector$0-$150
A partially seated connector opens the stage-2 loop.
#2Faulty side inflator stage 2$250-$700
The second-stage squib in the side inflator fails.
#3Chafed under-seat wiring$100-$400
Seat travel chafes the harness.
🩺 Common Symptoms
- Airbag/SRS warning light on
- Second-stage left side airbag may not deploy
- Fault after seat movement
- Stored side stage-2 code
💰 Repair Cost: DIY vs Shop
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🔧 How to Diagnose B0026
1Disarm the SRS system per the service manual
2Reseat the under-seat connectors
3Inspect the harness for chafing
4Replace the inflator only after confirming the loop fault
❓ Frequently Asked Questions
Can I drive with B0026?
Yes, but the second-stage left side airbag may not fire, so fix it soon.
What causes B0026?
A loose under-seat connector, a chafed harness, or a failed stage-2 inflator.
Why did B0026 appear after moving my seat?
Seat travel chafes the under-seat harness and can open the loop.
🔗 Related Codes
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