AutoCodes – Ford – B1357 Ford

B1357 Ford Code - Ignition Run Circuit Short To Battery

Quick Answer

The Ignition Switch RUN circuit provides greater than 10 volts through the circuits to the Smart Junction Box (SJB) when the key is in the RUN position. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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: B1357 Ford indicates Ignition Run Circuit Short To Battery.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,414

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1357 Ford Description

The Ignition Switch RUN circuit provides greater than 10 volts through the circuits to the Smart Junction Box (SJB) when the key is in the RUN position. The OBDII sets when the Ignition Switch signal is not factory specifications.

OBDII Code B1357 Ford - Ignition Run Circuit Short To Battery - AutoCodes.com — B1357 Ford Code - Ignition Run Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B1357 Ford?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Smart Junction Box (SJB)

How to Fix the DTC B1357 Ford?

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 B1357 Ford 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 B1357 Ford code?

Need more information on how to fix the B1357 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1357 Ford code diagnosed by a professional: Find a repair shop in your area

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 B1357 Ford Code

1. What are the common symptoms of OBDII code B1357 Ford (Ignition Run Circuit Short To Battery)?

- The common symptoms include difficulty starting the vehicle, intermittent stalling, and a check engine light illuminated on the dashboard.

2. What are the possible causes of OBDII code B1357 Ford?

- The code B1357 Ford can be caused by a short circuit in the ignition run circuit, faulty ignition switch, damaged wiring, or a malfunctioning control module.

3. How can I diagnose the OBDII code B1357 Ford?

- Diagnosis involves using a scan tool to retrieve the trouble codes, inspecting the wiring for any visible damage, and testing the components in the ignition run circuit for proper functionality.

4. Can I drive my vehicle with OBDII code B1357 Ford present?

- It is not recommended to drive the vehicle with the B1357 code present, as it can lead to potential safety hazards or further damage to the vehicle.

5. How do I repair OBDII code B1357 Ford?

- Repairing the B1357 code involves addressing the root cause, such as repairing any short circuits, replacing the faulty ignition switch, repairing damaged wiring, or reprogramming the control module if necessary.

6. Are there any DIY tips for fixing OBDII code B1357 Ford?

- DIY tips include checking and repairing any visible wiring damage, ensuring all connections are secure, and consulting the vehicle's service manual for specific repair procedures.

7. Can a mechanic reset the OBDII code B1357 Ford without fixing the underlying issue?

- While a mechanic can clear the trouble code, it is crucial to address the root cause of the B1357 code to prevent it from reoccurring and ensure the vehicle's proper operation.

8. How long does it typically take to repair OBDII code B1357 Ford?

- The repair time can vary depending on the exact cause of the B1357 code and the complexity of the repair needed. It is recommended to consult with a professional mechanic for a more accurate estimate.

9. Is OBDII code B1357 Ford a common issue in Ford vehicles?

- The B1357 code is not as common as some other OBDII codes, but it can still occur in Ford vehicles due to various electrical and ignition system issues.

10. Can OBDII code B1357 Ford cause any other problems in the vehicle?

- If left unresolved, the B1357 code can potentially cause further damage to the vehicle's electrical system, affect its drivability, and lead to other related issues over time.