B1B72 Mitsubishi Code - Left Side Satellite Acceleration Sensor 1 Internal
Quick Answer
The number 1 side impact sensors are located in the B-pillar area just past the 1st row doors The impact sensors perform their own self-test using power supplied by the Occupant Restraint Controller (ORC) then communicates this status back to the ORC with periodic updates. Common causes include Faulty Left Side Impact Sensor 1, Left Side Impact Sensor 1 harness is open or shorted, Left Side Impact Sensor 1 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
- B1B72 Mitsubishi indicates Left Side Satellite Acceleration Sensor 1 Internal.
- Common causes
- Common causes include Faulty Left Side Impact Sensor 1, Left Side Impact Sensor 1 harness is open or shorted, Left Side Impact Sensor 1 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 B1B72 Mitsubishi Description
What are the Possible Causes of the DTC B1B72 Mitsubishi?
- Faulty Left Side Impact Sensor 1
- Left Side Impact Sensor 1 harness is open or shorted
- Left Side Impact Sensor 1 circuit poor electrical connection
- Faulty Occupant Restraint Controller (ORC)
How to Fix the DTC B1B72 Mitsubishi?
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 B1B72 Mitsubishi 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 B1B72 Mitsubishi code?
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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 B1B72 Mitsubishi Code
1. What are the common symptoms of OBDII code B1B72 in a Mitsubishi related to the Left Side Satellite Acceleration Sensor 1 Internal?
The common symptoms may include the airbag warning light illuminating on the dashboard and potential issues with the vehicle's airbag system.
2. What are the possible causes of the B1B72 OBDII code in a Mitsubishi?
The B1B72 code typically indicates a fault with the Left Side Satellite Acceleration Sensor 1 internal circuit, which could be caused by wiring issues, sensor malfunction, or a problem with the airbag control module.
3. How serious is the B1B72 OBDII code related to the Left Side Satellite Acceleration Sensor 1 Internal in a Mitsubishi?
This code is related to the airbag system, so it is considered a serious issue that should be addressed promptly to ensure the proper functioning of the vehicle's safety features.
4. Can I continue driving my Mitsubishi with the B1B72 OBDII code present?
It is not recommended to drive the vehicle with the B1B72 code active, as it indicates a potential problem with the airbag system, which is a critical safety component.
5. How can I diagnose and repair the B1B72 OBDII code in my Mitsubishi?
Diagnosing and repairing the B1B72 code typically requires the use of a professional OBDII scanner to pinpoint the exact cause of the issue. Repairs may involve checking and repairing wiring connections, replacing the acceleration sensor, or addressing issues with the airbag control module.
6. Is it safe to reset the OBDII code B1B72 in a Mitsubishi without fixing the underlying issue?
Resetting the code without addressing the root cause can temporarily turn off the warning light, but the issue with the airbag system will persist, potentially compromising safety in the event of an accident.
7. How much does it cost to fix the B1B72 OBDII code related to the Left Side Satellite Acceleration Sensor 1 Internal in a Mitsubishi?
The cost of repairing the B1B72 code can vary depending on the specific cause of the issue and the labor rates in your area. It is recommended to consult a professional mechanic for an accurate estimate.
8. Can a DIY enthusiast fix the B1B72 OBDII code issue in a Mitsubishi?
While some experienced DIY enthusiasts may be able to diagnose and repair simple wiring issues related to the B1B72 code, it is generally recommended to seek professional help for airbag system problems due to their critical safety nature.
9. Will the B1B72 OBDII code cause my Mitsubishi to fail a state inspection?
The B1B72 code is related to the airbag system, which is a critical safety component. Most state inspections require all safety systems, including airbags, to be in proper working order, so the presence of this code may lead to inspection failure.
10. How can I prevent the recurrence of the B1B72 OBDII code in my Mitsubishi?
Regular maintenance checks, avoiding rough driving conditions, and addressing any warning lights promptly can help prevent the recurrence of the B1B72 code related to the Left Side Satellite Acceleration Sensor 1 Internal in your Mitsubishi.
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