B1186
Open In Passenger Side Air Bag Second Stage Squib Circuit
B1186 is an OBD-II diagnostic trouble code meaning: Open In Passenger Side Air Bag Second Stage Squib Circuit. Common causes: broken wire in the srs system harness, oxidized or corroded contacts. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Security error message on dashboard
- Disabling airbags in an accident
Causes
- Broken wire in the SRS system harness
- Oxidized or corroded contacts
- Faulty 2nd stage squib
- Problems with the SRS control unit
- Mechanical damage to wiring (for example, after repair)
How to Fix
- Diagnose the SRS system with a scanner
- Visually inspect the wiring harness and contacts
- Check the resistance of the squib circuit
- Replace damaged components (wiring, squib)
- Clear the error and check the system operation
Related codes
FAQ
What does the B1186 code mean?
B1186 is an OBD-II diagnostic trouble code that indicates: Open In Passenger Side Air Bag Second Stage Squib Circuit
What causes a B1186 error code?
The most common causes of B1186 include: Broken wire in the SRS system harness; Oxidized or corroded contacts; Faulty 2nd stage squib; Problems with the SRS control unit.
How do I fix a B1186 diagnostic trouble code?
To fix B1186: Diagnose the SRS system with a scanner. Visually inspect the wiring harness and contacts. Check the resistance of the squib circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1186?
Do not drive — repair immediately
How much does it cost to fix B1186?
The estimated repair cost for B1186 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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