Short In Driver Side – Side Squib Circuit
Table of contents
B1820 TOYOTA Possible Causes
- Faulty Front Seat Side Airbag Assembly Left (LH) (Front Driver Side Side Squib)
- Front Seat Side Airbag Assembly LH harness is open or shorted
- Front Seat Side Airbag Assembly LH circuit poor electrical connection
- Faulty Center Airbag Sensor Assembly
How do I fix code B1820 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B1820 TOYOTA code
The cost of diagnosing the B1820 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Air Bag Warning Light ON
B1820 TOYOTA Description
The Driver Side – Side Squib circuit consists of the Center Airbag Sensor Assembly and the Front Seat Side Airbag Assembly Left (LH). This circuit signals the Supplemental Restraint System (SRS) to deploy when deployment conditions are met. The Diagnostic Trouble Code (DTC) is recorded when a malfunction is detected in the Driver Side – Side Squib Circuit.