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Engine-Codes – Generic – B1310

B1310 Code - Run/Start Control Circuit Short to Ground or Open

Quick Answer

The diagnostic trouble code B1310 indicates a problem with the run/start control circuit being short to ground or open. Common causes include Faulty ignition switch: A malfunctioning ignition switch can cause the run/start control circuit to short to ground or open, Wiring issues: Damaged or corroded wiring connections can disrupt the flow of electricity in the run/start control circuit, Faulty starter relay: A defective starter relay can prevent the proper operation of the starting 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
B1310 indicates Run/Start Control Circuit Short to Ground or Open.
Common causes
Common causes include Faulty ignition switch: A malfunctioning ignition switch can cause the run/start control circuit to short to ground or open, Wiring issues: Damaged or corroded wiring connections can disrupt the flow of electricity in the run/start control circuit, Faulty starter relay: A defective starter relay can prevent the proper operation of the starting 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 07, 2024
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Code B1310 Description

The diagnostic trouble code B1310 indicates a problem with the run/start control circuit being short to ground or open. This circuit is responsible for controlling the operation of the vehicle's starting system, including the ignition switch, starter relay, and starter motor. When this circuit malfunctions, it can lead to issues with starting the vehicle or even cause it to stall while driving.

OBDII Code B1310 - Run/Start Control Circuit Short to Ground or Open
B1310 Code - Run/Start Control Circuit Short to Ground or Open

Common Causes of B1310

  1. Faulty ignition switch: A malfunctioning ignition switch can cause the run/start control circuit to short to ground or open.
  2. Wiring issues: Damaged or corroded wiring connections can disrupt the flow of electricity in the run/start control circuit.
  3. Faulty starter relay: A defective starter relay can prevent the proper operation of the starting system.
  4. Faulty starter motor: A malfunctioning starter motor can draw excessive current, leading to a short to ground in the run/start control circuit.
  5. Electrical system issues: Problems with the vehicle's electrical system, such as a weak battery or faulty alternator, can also trigger the B1310 code.

Symptoms of B1310

  1. Difficulty starting the vehicle.
  2. Intermittent starting problems.
  3. Engine stalling while driving.
  4. Clicking noise when turning the ignition key.
  5. Dashboard warning lights related to the starting system.

How to Fix B1310

  1. Perform a thorough inspection of the run/start control circuit to identify any damaged wiring or components.
  2. Test the ignition switch, starter relay, and starter motor for proper operation.
  3. Repair or replace any faulty components identified during the inspection.
  4. Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.
  5. If necessary, perform a voltage drop test to verify the integrity of the repaired circuit.

Cost to Fix B1310

The typical repair cost for addressing a B1310 diagnostic trouble code can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. Additional diagnostic time may be required to pinpoint the exact source of the problem, so it's advisable to consult with a professional technician for an accurate estimate. Keep in mind that labor rates can vary widely between different auto repair shops, so it's recommended to obtain multiple quotes before proceeding with the repair.

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Code B1310 Information for Specific Makes

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 B1310 Code

1. What are the common symptoms of OBDII code B1310 (Run/Start Control Circuit Short to Ground or Open)?

- Common symptoms include difficulty starting the vehicle, engine stalling, or the engine not starting at all.

2. What can cause the OBDII code B1310 to trigger?

- The code B1310 can be triggered by a short to ground or an open circuit in the run/start control circuit, which may be caused by damaged wiring, faulty ignition switch, or a problem with the starter relay.

3. How serious is the OBDII code B1310 (Run/Start Control Circuit Short to Ground or Open)?

- The code B1310 can cause significant inconvenience as it can prevent the vehicle from starting or cause it to stall unexpectedly. It is recommended to address this issue promptly.

4. What should I do if my vehicle shows the OBDII code B1310?

- If your vehicle displays the code B1310, it is advisable to have it diagnosed by a qualified mechanic to determine the exact cause of the issue and proceed with the necessary repairs.

5. Can I continue driving with the OBDII code B1310 present?

- It is not recommended to continue driving with the code B1310 present, as it can lead to potential starting or stalling issues that may leave you stranded on the road.

6. How can the OBDII code B1310 be repaired?

- Repairing the code B1310 typically involves locating the source of the short to ground or open circuit in the run/start control circuit and addressing the underlying cause, which may require repairing or replacing damaged wiring, ignition switch, or starter relay.

7. Is it possible to reset the OBDII code B1310 without repairing the issue?

- While clearing the code may temporarily turn off the check engine light, it will not fix the underlying problem causing the code. It is essential to address the root cause to prevent further issues.

8. Can a DIY enthusiast fix the OBDII code B1310 at home?

- The complexity of the repair for the code B1310 may require advanced electrical diagnostic skills and tools. It is recommended to consult a professional mechanic for proper diagnosis and repair.

9. How much does it typically cost to repair the OBDII code B1310?

- The cost of repairing the code B1310 can vary depending on the cause of the issue, the extent of the damage, and the labor rates in your area. It is best to obtain estimates from local repair shops.

10. Will the OBDII code B1310 affect my vehicle's performance?

- Yes, the code B1310 can impact your vehicle's performance by causing starting issues or unexpected engine stalling, which can affect drivability and safety. It is important to address this code promptly.

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