B1159 Lexus Code - Front Airbag Sensor LH Malfunction
Quick Answer
The Front Airbag Sensor (Left Side) circuit consists of the Airbag Sensor Assembly and Front Airbag Sensor LH. Common causes include Faulty Front Airbag Sensor (Left Side), Front Airbag Sensor harness is open or shorted, Front Airbag Sensor 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
- B1159 Lexus indicates Front Airbag Sensor LH Malfunction.
- Common causes
- Common causes include Faulty Front Airbag Sensor (Left Side), Front Airbag Sensor harness is open or shorted, Front Airbag Sensor 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 B1159 Lexus Description
What are the Possible Causes of the DTC B1159 Lexus?
- Faulty Front Airbag Sensor (Left Side)
- Front Airbag Sensor harness is open or shorted
- Front Airbag Sensor circuit poor electrical connection
- Faulty Airbag Sensor Assembly
How to Fix the DTC B1159 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 B1159 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.
Need more information about the B1159 Lexus code?
Need more information on how to fix the B1159 Lexus code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1159 Lexus 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.
Frequently Asked Questions about B1159 Lexus Code
1. What are the common symptoms of OBDII code B1159 in a Lexus related to Front Airbag Sensor LH Malfunction?
- Common symptoms include the airbag warning light staying illuminated on the dashboard and potential issues with the front airbag system.
2. What are the possible causes of OBDII code B1159 in a Lexus indicating Front Airbag Sensor LH Malfunction?
- Possible causes include a faulty front airbag sensor LH, damaged wiring or connectors, or a malfunction in the airbag system.
3. How can I diagnose the Front Airbag Sensor LH Malfunction in my Lexus when OBDII code B1159 is triggered?
- Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the front airbag sensor LH and its wiring for any visible damage, and conducting a thorough system check.
4. Is it safe to drive my Lexus with OBDII code B1159 signaling a Front Airbag Sensor LH Malfunction?
- It is not recommended to drive the vehicle with a potential airbag system malfunction, as it may compromise occupant safety in case of an accident.
5. Can I reset the OBDII code B1159 related to Front Airbag Sensor LH Malfunction in my Lexus without fixing the underlying issue?
- While you can clear the code temporarily, it is crucial to address the root cause of the malfunction to ensure the proper functioning of the airbag system.
6. What repair tips can help resolve OBDII code B1159 in a Lexus due to Front Airbag Sensor LH Malfunction?
- Repair tips may include checking and repairing damaged wiring, replacing the front airbag sensor LH if necessary, and ensuring all connections are secure.
7. How much does it typically cost to repair OBDII code B1159 in a Lexus caused by Front Airbag Sensor LH Malfunction?
- Repair costs can vary depending on the extent of the damage and whether any parts need replacement, but it is advisable to consult a professional for an accurate estimate.
8. Can a DIY enthusiast fix the Front Airbag Sensor LH Malfunction triggering OBDII code B1159 in a Lexus?
- While some individuals may have the skills to diagnose and repair the issue themselves, working on airbag systems can be complex and potentially dangerous, so professional assistance is recommended.
9. Are there any recalls or service bulletins related to OBDII code B1159 in Lexus models for Front Airbag Sensor LH Malfunction?
- It's advisable to check with Lexus dealership or visit the National Highway Traffic Safety Administration (NHTSA) website for any relevant recalls or service bulletins regarding this issue.
10. How can I prevent OBDII code B1159 from occurring in my Lexus due to Front Airbag Sensor LH Malfunction in the future?
- Regular maintenance and inspections of the airbag system, addressing any warning lights promptly, and following manufacturer's guidelines can help prevent such malfunctions.
Discuss the causes and fixes for B1159 Lexus OBDII Code
Code B1159 Lexus comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
