B1426
Lamp Seat Belt Circuit Short To Battery
B1426 is an OBD-II diagnostic trouble code meaning: Lamp Seat Belt Circuit Short To Battery. Common causes: wiring harness damage, short circuit in indicator circuit. Estimated repair cost: $22–111.
Symptoms
- Seat belt light stays on constantly
- Incorrect operation of the seat belt warning system
- Security system malfunction indicator light comes on
Causes
- Wiring harness damage
- Short circuit in indicator circuit
- Malfunction of the indicator itself
- Problems connecting to the ECU
How to Fix
- Check the integrity of the indicator circuit wiring harness
- Check the status of the seat belt indicator
- Diagnose connection to the ECU
- Replace damaged components if necessary
Related codes
FAQ
What does the B1426 code mean?
B1426 is an OBD-II diagnostic trouble code that indicates: Lamp Seat Belt Circuit Short To Battery
What causes a B1426 error code?
The most common causes of B1426 include: Wiring harness damage; Short circuit in indicator circuit; Malfunction of the indicator itself; Problems connecting to the ECU.
How do I fix a B1426 diagnostic trouble code?
To fix B1426: Check the integrity of the indicator circuit wiring harness. Check the status of the seat belt indicator. Diagnose connection to the ECU. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1426?
Do not drive — repair immediately
How much does it cost to fix B1426?
The estimated repair cost for B1426 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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