Engine-CodesScion – B1692 Scion

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

Quick Answer

The B1692 Scion code indicates that there is a communication error with the door side airbag sensor on the right side of the vehicle. Common causes include Faulty door side airbag sensor, Damaged wiring or connectors leading to the sensor, Blown fuse related to the airbag system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1692 Scion indicates Lost Communication with Door Side Airbag Sensor Right.
Common causes
Common causes include Faulty door side airbag sensor, Damaged wiring or connectors leading to the sensor, Blown fuse related to the airbag system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B1692 Scion Description

The B1692 Scion code indicates that there is a communication error with the door side airbag sensor on the right side of the vehicle. This sensor is responsible for detecting impacts or collisions on the right side of the vehicle and deploying the side airbag to protect the occupants in case of a crash. When communication with this sensor is lost, it can compromise the effectiveness of the airbag system and potentially put the occupants at risk in the event of an accident.

OBDII Code B1692 Scion - Lost Communication with Door Side Airbag Sensor Right
B1692 Scion Code - Lost Communication with Door Side Airbag Sensor Right

Common Causes of B1692 Scion

  1. Faulty door side airbag sensor.
  2. Damaged wiring or connectors leading to the sensor.
  3. Blown fuse related to the airbag system.
  4. Malfunctioning airbag control module.
  5. Corrosion or moisture intrusion affecting sensor communication.

Symptoms of B1692 Scion

  1. Airbag warning light illuminated on the dashboard.
  2. Right side airbag system not deploying in a crash.
  3. Diagnostic trouble code B1692 stored in the vehicle's computer.
  4. Loss of communication with the right side airbag sensor.

How to Fix B1692 Scion

  1. Begin by performing a thorough inspection of the door side airbag sensor, wiring, and connectors for any visible damage or corrosion.
  2. Check the airbag system fuse to ensure it is intact and replace if necessary.
  3. Use a diagnostic scan tool to retrieve and clear the B1692 code from the vehicle's computer.
  4. Test the communication between the sensor and the airbag control module to determine if the issue lies with the sensor, wiring, or control module.
  5. Replace any faulty components, such as the sensor, wiring, or control module, and retest the system to ensure proper communication and functionality.

Cost to Fix B1692 Scion

The typical repair costs for addressing a lost communication with the door side airbag sensor right (B1692) code can vary depending on the specific cause of the issue. In general, the cost of parts such as a new door side airbag sensor, wiring, or control module can range from $200 to $500. Labor costs for diagnosis and repair can add an additional $100 to $300, bringing the total repair cost to approximately $300 to $800.

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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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1692 Scion Code

1. What does the OBDII code B1692 mean on a Scion?

B1692 indicates a "Lost Communication with Door Side Airbag Sensor Right," meaning the vehicle's system cannot communicate with the right-side airbag sensor in the door.

2. What are the common symptoms of code B1692 in a Scion?

Symptoms may include the airbag warning light on the dashboard, inactive side airbags, or a general fault code stored in the airbag system.

3. What causes the B1692 code to appear?

Common causes include a damaged or disconnected wiring harness, a faulty right-side airbag sensor, or issues with the control module.

4. Is it safe to drive with the B1692 code in a Scion?

While the vehicle may still operate, it's unsafe as the side airbag may not deploy in an accident, compromising passenger safety.

5. How do you diagnose the B1692 code in a Scion?

Start by scanning the vehicle with an OBDII scanner to confirm the code, then inspect the wiring and connections to the right-side airbag sensor for damage or disconnection.

6. Can a faulty airbag control module cause the B1692 code?

Yes, a malfunctioning airbag control module can fail to communicate with the right-side airbag sensor, triggering this code.

7. How do you fix the B1692 code on a Scion?

Repairs may include reconnecting or replacing damaged wiring, replacing the right-side airbag sensor, or reprogramming or replacing the airbag control module.

8. How much does it cost to fix the B1692 code on a Scion?

Repair costs vary, but replacing a side airbag sensor typically ranges from $200 to $400, while wiring repairs may cost less.

9. Can a dead battery cause the B1692 code in a Scion?

A weak or dead battery can cause communication issues, but it’s less common. Ensure the battery and charging system are functioning properly during diagnosis.

10. Do I need to reset the code after repairing the issue?

Yes, after completing repairs, clear the code with an OBDII scanner and test drive the vehicle to ensure the issue is resolved.

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