Engine-Codes - Lexus - B1692 Lexus

B1692 Lexus Code - Lost Communication with Door Side Airbag Sensor Right

- Code Popularity: 799 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1692 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Side Airbag Sensor Right (RH)
  • Side Airbag Sensor Right harness is open or shorted
  • Side Airbag Sensor Right circuit poor electrical connection
  • Faulty Center Airbag Sensor Assembly
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How to Fix the DTC B1692 Lexus?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1692 Lexus code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Air Bag Warning Light ON

What Does the B1692 Lexus Code Mean?

The circuit for the Side Collision Sensor Right (RH) is composed of the Center Airbag Sensor, Side Airbag Sensor Right, and Rear Airbag Sensor Right. The Side Airbag Sensor Right and Rear Airbag Sensor Right detect impacts to the vehicle and send signals to the Center Airbag Sensor to determine if the airbag should be deployed. The Diagnostic Trouble Code (DTC) B1692 is stored when a malfunction is detected in the circuit for the Side Collision Sensor Right (to determine deployment of the front seat side airbag Right, rear seat side airbag Right, and curtain shield airbag Right).

B1692 Lexus Code - Lost Communication with Door Side Airbag Sensor Right

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.