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Engine-Codes – Generic – B2016

B2016 Code - Open in Right Side Lower MOS

Quick Answer

The B2016 diagnostic trouble code (DTC) indicates an open circuit in the Right Side Lower MOS (Metal Oxide Semiconductor) in the vehicle's electrical system. Common causes include Damage to the wiring harness connected to the Right Side Lower MOS, Corrosion or loose connections in the electrical circuit, Faulty MOS transistor in the affected system. 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 Damage to the wiring harness connected to the Right Side Lower MOS, Corrosion or loose connections in the electrical circuit, Faulty MOS transistor in the affected system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B2016 Description

The B2016 diagnostic trouble code (DTC) indicates an open circuit in the Right Side Lower MOS (Metal Oxide Semiconductor) in the vehicle's electrical system. MOS transistors are used in modern vehicles to control various functions such as power windows, power seats, and other electronic components. An open circuit in this particular MOS can disrupt the flow of electricity, leading to malfunctions in the affected system.

OBDII Code B2016 - Open in Right Side Lower MOS
B2016 Code - Open in Right Side Lower MOS

Common Causes of B2016

  1. Damage to the wiring harness connected to the Right Side Lower MOS.
  2. Corrosion or loose connections in the electrical circuit.
  3. Faulty MOS transistor in the affected system.
  4. Water or moisture intrusion into the electrical components.
  5. Overloading of the power windows, causing excessive strain on the MOS.

Symptoms of B2016

  1. Power windows on the right side of the vehicle not responding to switch commands.
  2. Power windows moving slowly or getting stuck in one position.
  3. Inability to control the power windows from the driver's side.
  4. Warning light on the instrument panel indicating an issue with the power windows.

How to Fix B2016

  1. Begin by disconnecting the vehicle's battery to prevent any electrical mishaps.
  2. Inspect the wiring harness and connectors in the Right Side Lower MOS circuit for any visible damage or corrosion.
  3. Test the MOS transistor to determine if it is functioning correctly or needs replacement.
  4. Repair or replace any damaged wiring, connectors, or components in the affected circuit.
  5. Clear the DTC with a scan tool and test the power windows to ensure they are operating properly.

Cost to Fix B2016

The cost of repairing an open circuit in the Right Side Lower MOS can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair costs for this issue can range from $150 to $300, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can impact the final cost. It's recommended to consult with a professional technician for a more accurate estimate based on your vehicle's make and model.

Need more information about the B2016 code?

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Code B2016 Information for Specific Makes

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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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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