Engine-CodesFord – B1359 Ford

B1359 Ford Code - Ignition Run/Acc Circuit Failure

Quick Answer

The B1359 Ford code refers to an Ignition Run/Acc Circuit Failure, indicating a problem with the ignition system of the vehicle. Common causes include Faulty ignition switch, Wiring issues or shorts in the ignition circuit, Blown fuses related to the ignition 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
B1359 Ford indicates Ignition Run/Acc Circuit Failure.
Common causes
Common causes include Faulty ignition switch, Wiring issues or shorts in the ignition circuit, Blown fuses related to the ignition 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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code B1359 Ford Description

The B1359 Ford code refers to an Ignition Run/Acc Circuit Failure, indicating a problem with the ignition system of the vehicle. This code typically points to a malfunction in the circuit that controls the ignition switch in the run or accessory position. The ignition system plays a crucial role in starting and running the engine, so any issues with this circuit can lead to starting problems, stalling, and overall poor vehicle performance.

OBDII Code B1359 Ford - Ignition Run/Acc Circuit Failure
B1359 Ford Code - Ignition Run/Acc Circuit Failure

Common Causes of B1359 Ford

  1. Faulty ignition switch
  2. Wiring issues or shorts in the ignition circuit
  3. Blown fuses related to the ignition system
  4. Malfunctioning ignition relay
  5. Corrosion or damage to ignition system components

Symptoms of B1359 Ford

  1. Difficulty starting the vehicle
  2. Engine stalling or cutting out unexpectedly
  3. Loss of power while driving
  4. Inability to turn on accessories (radio, lights, etc.)
  5. Dashboard warning lights related to the ignition system

How to Fix B1359 Ford

  1. Begin by conducting a thorough inspection of the ignition system components, including the ignition switch, wiring, fuses, and relay.
  2. Test the ignition switch with a multimeter to determine if it is functioning correctly.
  3. Check for any loose or damaged wiring in the ignition circuit and repair or replace as needed.
  4. Inspect and replace any blown fuses related to the ignition system.
  5. If the issue persists, consult a professional mechanic for further diagnostics and potential component replacements.

Cost to Fix B1359 Ford

The cost of repairing an Ignition Run/Acc Circuit Failure can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair cost for this type of problem can range from $100 to $300, including parts and labor. However, it is important to note that diagnosis time and labor rates at auto repair shops can fluctuate, so it is advisable to obtain estimates from local shops for a more accurate cost projection.

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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 B1359 Ford Code

1. What are the common symptoms of OBDII code B1359 Ford (Ignition Run/Acc Circuit Failure)?

- Common symptoms include the engine stalling or not starting, loss of power to key components like the radio and power windows, and the check engine light being illuminated.

2. What are the possible causes of OBDII code B1359 Ford?

- The code B1359 Ford typically indicates an issue with the ignition run/accessory circuit, which can be caused by a faulty ignition switch, damaged wiring, blown fuses, or a malfunctioning accessory relay.

3. How can I diagnose the OBDII code B1359 Ford?

- Diagnosis usually involves checking the ignition switch, inspecting the wiring harness for any damage, testing the fuses and relays related to the ignition circuit, and using a diagnostic scanner to retrieve the trouble codes.

4. Can I still drive my vehicle with OBDII code B1359 Ford?

- It is not recommended to drive your vehicle with the B1359 code present, as it can lead to unexpected stalling or loss of power while driving, posing a safety risk.

5. How can I repair OBDII code B1359 Ford?

- Repairing the B1359 code involves addressing the root cause of the ignition run/accessory circuit failure, which may include replacing the ignition switch, repairing damaged wiring, replacing blown fuses, or troubleshooting and replacing a faulty relay.

6. Is it possible to reset the OBDII code B1359 Ford without fixing the underlying issue?

- While clearing the trouble code may temporarily turn off the check engine light, the issue causing the code will persist, and the code is likely to return until the underlying problem is resolved.

7. Can a DIY enthusiast fix OBDII code B1359 Ford at home?

- Depending on the specific cause of the code, DIY enthusiasts may be able to address the issue at home by following repair guides, using basic tools, and having some knowledge of automotive electrical systems.

8. How much does it cost to fix OBDII code B1359 Ford at a repair shop?

- The cost of fixing the B1359 code at a repair shop can vary widely depending on the cause of the issue, the labor rates in your area, and the parts needed for the repair. It is recommended to get a diagnostic assessment from a professional to determine the exact cost.

9. Will OBDII code B1359 Ford cause permanent damage to my vehicle if left unfixed?

- Ignoring the B1359 code can lead to further electrical issues, potential damage to key components in the ignition circuit, and safety hazards due to unexpected stalling or loss of power. It is best to address the problem promptly to avoid costly repairs or accidents.

10. How long does it typically take to fix OBDII code B1359 Ford?

- The repair time for the B1359 code can vary based on the specific cause of the issue, the availability of parts, and the expertise of the person performing the repair. In some cases, the issue can be resolved within a few hours, while more complex problems may take longer to diagnose and fix.

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