B0112 Lexus Code - Short To Ground In Right-Side Air Bag Module Squib Circuit
Quick Answer
The side air bag module squib circuit consists of the air bag sensor assembly and side air bag module. Common causes include Faulty Right-Side Air Bag Module, Right-Side Air Bag Module harness is open or shorted, Right-Side Air Bag Module 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
- B0112 Lexus indicates Short To Ground In Right-Side Air Bag Module Squib Circuit.
- Common causes
- Common causes include Faulty Right-Side Air Bag Module, Right-Side Air Bag Module harness is open or shorted, Right-Side Air Bag Module 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.
Code B0112 Lexus Description
What are the Possible Causes of the DTC B0112 Lexus?
- Faulty Right-Side Air Bag Module
- Right-Side Air Bag Module harness is open or shorted
- Right-Side Air Bag Module circuit poor electrical connection
- Faulty Air Bag Control Module
How to Fix the DTC B0112 Lexus?
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 B0112 Lexus 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.
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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.
Frequently Asked Questions about B0112 Lexus Code
1. What are the common symptoms of OBDII code B0112 in a Lexus related to a short to ground in the right-side airbag module squib circuit?
- Common symptoms include the airbag warning light staying illuminated on the dashboard and possible non-deployment of the right-side airbag during a collision.
2. What can cause the OBDII code B0112 in a Lexus indicating a short to ground in the right-side airbag module squib circuit?
- The code can be triggered by damaged wiring, a faulty airbag module squib, or a short circuit in the right-side airbag system.
3. How can I diagnose the OBDII code B0112 in my Lexus related to a short to ground in the right-side airbag module squib circuit?
- Diagnose the issue by inspecting the wiring harness for damage, testing the airbag module squib for continuity, and checking for any short circuits using a multimeter.
4. Can I drive my Lexus with the OBDII code B0112 indicating a short to ground in the right-side airbag module squib circuit?
- It is not recommended to drive the vehicle with this code present, as the right-side airbag may not deploy in the event of an accident, compromising passenger safety.
5. What are the repair options for fixing the OBDII code B0112 in a Lexus due to a short to ground in the right-side airbag module squib circuit?
- Repair options include repairing or replacing damaged wiring, replacing the faulty airbag module squib, and addressing any short circuits in the system.
6. Is it possible to reset the OBDII code B0112 in a Lexus without fixing the underlying issue with the right-side airbag module squib circuit?
- Resetting the code without addressing the root cause is not recommended, as it may lead to safety risks and the code will likely reappear.
7. How much does it typically cost to repair the OBDII code B0112 in a Lexus related to a short to ground in the right-side airbag module squib circuit?
- Repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
8. Are there any safety precautions to take when working on the right-side airbag system to resolve the OBDII code B0112 in a Lexus?
- Prior to working on the airbag system, it is crucial to disconnect the vehicle's battery and wait for at least 10 minutes to prevent accidental airbag deployment.
9. Can a DIY enthusiast with automotive knowledge fix the OBDII code B0112 in a Lexus caused by a short to ground in the right-side airbag module squib circuit?
- While some basic troubleshooting can be done, fixing this issue typically requires specialized tools and expertise, so it is recommended to consult a professional mechanic.
10. How long does it usually take for a mechanic to repair the OBDII code B0112 in a Lexus related to a short to ground in the right-side airbag module squib circuit?
- The repair time can vary based on the exact cause of the problem and the mechanic's experience, but it may take a few hours to a full day to complete the repairs.
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