B1198
Left Side Front Curtain Air Bag Module Open
B1198 is an OBD-II diagnostic trouble code meaning: Left Side Front Curtain Air Bag Module Open. Common causes: broken or damaged wiring harness (harness) to the side curtain, curtain airbag squib malfunction. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Security error message on dashboard
- Side curtain airbag malfunction during diagnosis
Causes
- Broken or damaged wiring harness (harness) to the side curtain
- Curtain airbag squib malfunction
- Problems with the airbag control module
- Corrosion or oxidation of contacts in the circuit
- Mechanical damage to the curtain airbag
How to Fix
- Conduct a visual inspection of the wiring harness and contacts
- Check the resistance of the curtain air squib
- Scan the system for additional trouble codes
- If necessary, replace damaged wires or connectors
- Replace a faulty curtain airbag or squib
- Reset the error and check the system operation
Related codes
FAQ
What does the B1198 code mean?
B1198 is an OBD-II diagnostic trouble code that indicates: Left Side Front Curtain Air Bag Module Open
What causes a B1198 error code?
The most common causes of B1198 include: Broken or damaged wiring harness (harness) to the side curtain; Curtain airbag squib malfunction; Problems with the airbag control module; Corrosion or oxidation of contacts in the circuit.
How do I fix a B1198 diagnostic trouble code?
To fix B1198: Conduct a visual inspection of the wiring harness and contacts. Check the resistance of the curtain air squib. Scan the system for additional trouble codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1198?
Do not drive — repair immediately
How much does it cost to fix B1198?
The estimated repair cost for B1198 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat