Front Passenger Side Rear Airbag Sensor Circuit Malfunction


Table of contents

B1635 TOYOTA Possible Causes

  • Faulty Rear Airbag Sensor Right (RH)
  • Rear Airbag Sensor Right (RH) harness is open or shorted
  • Rear Airbag Sensor Right (RH) circuit poor electrical connection
  • Faulty Center Airbag Sensor

How do I fix code B1635 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.

Tech Notes

  • For some Toyota models, the B1635 is for the Rear Airbag Sensor Left Circuit Malfunction. Please check the Factory Service Manual for more information.

Cost of diagnosing the B1635 TOYOTA code

  The cost of diagnosing the B1635 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

B1635 TOYOTA Description

  The Rear Airbag Sensor Right (RH) consists of parts including the diagnostic circuit and the Lateral Deceleration Sensor. When the Center Airbag Sensor receives signals from the lateral deceleration sensor, it determines whether or not the Supplemental Restraint System (SRS) should be activated. The Diagnostic Trouble Code (DTC) B1635 is recorded when a malfunction is detected in the Rear Airbag Sensor RH circuit

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