Short To Positive In Front Driver Side Pretensioner Squib Circuit
Table of contents
B1903 TOYOTA Possible Causes
- Faulty Front Seat Outer Belt Left (LH) (Front Driver Side Pretensioner Squib)
- Front Seat Outer Belt Left (LH) harness is open or shorted
- Front Seat Outer Belt Left (LH) circuit poor electrical connection
- Faulty Center Airbag Sensor Assembly
How do I fix code B1903 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 B1903 TOYOTA code
The cost of diagnosing the B1903 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
B1903 TOYOTA Description
The Front Driver Side Pretensioner Squib Circuit consists of the Center Airbag Sensor Assembly and the Front Seat Outer Belt Left (LH). This circuit instructs the Supplemental Restraint System (SRS) to deploy when the deployment conditions are met. The Diagnostic Trouble Code (DTC) is recorded when a malfunction is detected in the Front Driver Side Pretensioner Squib Circuit.