AutoCodesScion – B1632 Scion

B1632 Scion Code - Lost Communication With Rear Airbag Sensor Right

Quick Answer

The Side Airbag Sensor Left (LH) or Rear Airbag Sensor Right (RH) consists of the Diagnostic Circuit, the Lateral Deceleration Sensor, etc. Common causes include Faulty Rear Airbag Sensor Right (RH), Rear Airbag Sensor Right harness is open or shorted, Rear Airbag Sensor Right circuit poor electrical connection. 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
B1632 Scion indicates Lost Communication With Rear Airbag Sensor Right.
Common causes
Common causes include Faulty Rear Airbag Sensor Right (RH), Rear Airbag Sensor Right harness is open or shorted, Rear Airbag Sensor Right circuit poor electrical connection.
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.
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Code Popularity 625
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 10, 2022
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Code B1632 Scion Description

The Side Airbag Sensor Left (LH) or Rear Airbag Sensor Right (RH) consists of the Diagnostic Circuit, the Lateral Deceleration Sensor, etc. If the Center Airbag Sensor receives signals from the Lateral Deceleration Sensor, it determines whether the Supplemental Restraint System (SRS) should be activated. The Diagnostic Trouble Code (DTC) B1632 is stored when a malfunction is detected in the Rear Airbag Sensor Right circuit.
OBDII Code B1632 Scion - Lost Communication With Rear Airbag Sensor Right - AutoCodes.com
B1632 Scion Code - Lost Communication With Rear Airbag Sensor Right

What are the Possible Causes of the DTC B1632 Scion?

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

How to Fix the DTC B1632 Scion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1632 Scion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1632 Scion code?

Need more information on how to fix the B1632 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1632 Scion code diagnosed by a professional: Find a repair shop in your area

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 B1632 Scion Code

1. What are the common symptoms of OBDII code B1632 Scion (Lost Communication With Rear Airbag Sensor Right)?

- Common symptoms include the airbag warning light illuminating on the dashboard, potential loss of communication with the rear airbag sensor on the right side, and compromised airbag system functionality.

2. What are some possible causes of OBDII code B1632 in a Scion?

- Possible causes include a faulty rear airbag sensor on the right side, damaged wiring or connectors leading to the sensor, or issues with the airbag control module.

3. How can I diagnose the issue related to code B1632 in my Scion?

- A diagnostic scan tool can help identify the specific fault causing the code. Checking the wiring and connections to the rear airbag sensor is also recommended.

4. Can I continue driving my Scion with OBDII code B1632 present?

- It is not recommended to drive the vehicle with this code active, as it indicates a potential issue with the airbag system, compromising passenger safety in the event of a collision.

5. How should I repair OBDII code B1632 in my Scion?

- Repair typically involves addressing the specific cause of the communication loss with the rear airbag sensor on the right side, which may require replacing the sensor, repairing wiring, or addressing issues with the airbag control module.

6. Is it possible to reset OBDII code B1632 in a Scion without fixing the underlying issue?

- While you can clear the code temporarily, it will likely return until the root cause of the communication loss with the rear airbag sensor on the right side is resolved.

7. Are there any safety concerns associated with OBDII code B1632 in a Scion?

- Yes, this code indicates a potential issue with the airbag system, which could compromise its functionality in the event of an accident, posing a safety risk to occupants.

8. Can a DIY enthusiast address OBDII code B1632 in a Scion, or is professional assistance recommended?

- While some basic troubleshooting like checking connections and wiring can be done by a DIY enthusiast, addressing the specific cause of the code may require professional assistance to ensure proper repairs and safety.

9. How long does it typically take to repair OBDII code B1632 in a Scion?

- The repair time can vary depending on the specific cause of the issue. Simple fixes like reconnecting loose wiring may take a short time, while replacing components or addressing more complex problems could take longer.

10. Is OBDII code B1632 specific to Scion vehicles, or can it occur in other car brands?

- While the specific code may vary across vehicle brands, the issue of lost communication with the rear airbag sensor is not exclusive to Scion and can occur in other car makes and models as well.

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