B2016 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 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 Description
What are the Possible Causes of the DTC B2016?
- 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?
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 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 B2016 code?
Need more information on how to fix the B2016 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2016 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B2016 Lexus — Open in Right Side Lower MOS
- B2016 Scion — Open in Right Side Lower MOS
- B2016 Toyota — Open in Right Side Lower MOS
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 Code
1. What are common symptoms of OBDII code B2016, Open in Right Side Lower MOS?
- Common symptoms include non-functioning power windows, door locks, or other electronic components on the right side of the vehicle.
2. What causes the OBDII code B2016, Open in Right Side Lower MOS?
- This code is typically caused by a break in the wiring harness leading to the right side lower MOS module.
3. How can I diagnose the OBDII code B2016, Open in Right Side Lower MOS?
- Use a multimeter to test the continuity of the wiring harness and check for any visible damage or breaks in the wires.
4. Can a blown fuse cause the OBDII code B2016, Open in Right Side Lower MOS?
- Yes, a blown fuse in the circuit can also trigger this code, so it's important to check the fuse box for any issues.
5. What are some repair tips for fixing OBDII code B2016, Open in Right Side Lower MOS?
- Repairing the damaged wiring harness, replacing any blown fuses, and ensuring proper connections can help resolve this issue.
6. Is it safe to continue driving with the OBDII code B2016, Open in Right Side Lower MOS?
- It is not recommended to continue driving with this code, as it may affect the functioning of important electronic components in the vehicle.
7. Can a DIY enthusiast fix the OBDII code B2016, Open in Right Side Lower MOS?
- Depending on the skill level, a DIY enthusiast with experience in automotive electrical systems may be able to address this issue.
8. Does the OBDII code B2016, Open in Right Side Lower MOS affect vehicle performance?
- While this code may not directly impact vehicle performance, it can cause inconvenience by disabling electronic features on the right side of the vehicle.
9. Is resetting the OBDII system necessary after repairing the issue with code B2016, Open in Right Side Lower MOS?
- Yes, it is recommended to reset the OBDII system after fixing the issue to clear the error code and ensure proper functioning.
10. Are there any preventive measures to avoid OBDII code B2016, Open in Right Side Lower MOS in the future?
- Regularly inspecting and maintaining the wiring harnesses in the vehicle can help prevent issues like code B2016 from occurring.
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