B2016 Lexus Code - Open in Right Side Lower MOS
Quick Answer
The Seat Belt Control ECU receives information from the master cylinder solenoid (Skid Control ECU) via the Controlled Are Network (CAN) communication line and tightens the seat belt by operating the motor in the Front Seat Outer Belt Assembly Right (RH) or Left (LH). Common causes include Faulty Seat Belt Control ECU, Seat Belt Control ECU harness is open or shorted, Seat Belt Control ECU 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
- B2016 Lexus indicates Open in Right Side Lower MOS.
- Common causes
- Common causes include Faulty Seat Belt Control ECU, Seat Belt Control ECU harness is open or shorted, Seat Belt Control ECU 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 B2016 Lexus Description
What are the Possible Causes of the DTC B2016 Lexus?
- Faulty Seat Belt Control ECU
- Seat Belt Control ECU harness is open or shorted
- Seat Belt Control ECU circuit poor electrical connection
How to Fix the DTC B2016 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 B2016 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 B2016 Lexus Code
1. What are the common symptoms of OBDII code B2016 in a Lexus related to an open in the right side lower MOS?
- Common symptoms include issues with the right side lower MOS circuit, such as malfunctioning power windows or door locks.
2. What does the OBDII code B2016 indicating an open in the right side lower MOS mean in a Lexus?
- This code suggests that there is an open circuit in the right side lower MOS (Metal Oxide Semiconductor) in the vehicle.
3. What are the possible causes of the OBDII code B2016 in a Lexus indicating an open in the right side lower MOS?
- Causes can include damaged wiring, a faulty MOS switch, loose connections, or corrosion in the circuit.
4. How can I diagnose the issue related to the OBDII code B2016 in a Lexus with an open in the right side lower MOS?
- You can use a multimeter to test the continuity of the circuit, inspect the wiring for damage, and check the connections for any issues.
5. Is it safe to continue driving my Lexus with the OBDII code B2016 indicating an open in the right side lower MOS?
- It is not recommended to drive the vehicle with this issue, as it may affect the proper functioning of important systems like power windows and door locks.
6. Can I repair the open in the right side lower MOS circuit in my Lexus myself?
- Depending on your skills and experience with automotive electrical systems, you may be able to repair the issue yourself by identifying and fixing the open in the circuit.
7. How much does it typically cost to repair the OBDII code B2016 related to an open in the right side lower MOS in a Lexus?
- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing damaged wiring, the MOS switch, or fixing connections, which can range from moderate to expensive.
8. Are there any preventive measures I can take to avoid encountering the OBDII code B2016 in my Lexus?
- Regularly inspecting and maintaining the electrical components in your vehicle can help prevent issues like an open in the right side lower MOS from occurring.
9. Will resetting the OBDII code B2016 in my Lexus resolve the open in the right side lower MOS issue?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem of an open circuit in the right side lower MOS.
10. Can the OBDII code B2016 indicating an open in the right side lower MOS affect other systems in my Lexus?
- Yes, if left unresolved, this issue can potentially impact other systems that rely on the affected circuit, leading to more serious electrical problems in the vehicle.
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