AutoCodes – Generic – B13F3

B13F3 Code - Left Rear Side Sensor Circuit Short To Battery

Quick Answer

The Parking Assist Control Module (PAM) monitors the Left Rear Active Park Assist Sensor. Common causes include Faulty Left Rear Active Park Assist Sensor, Left Rear Active Park Assist Sensor harness is open or shorted, Left Rear Active Park Assist Sensor 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: B13F3 indicates Left Rear Side Sensor Circuit Short To Battery.
Common causes: Common causes include Faulty Left Rear Active Park Assist Sensor, Left Rear Active Park Assist Sensor harness is open or shorted, Left Rear Active Park Assist Sensor 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 2,396

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 Apr 04, 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 B13F3 Description

The Parking Assist Control Module (PAM) monitors the Left Rear Active Park Assist Sensor. A continuous and on-demand Diagnostic Trouble Code (DTC) that sets in the PAM when the Left Rear Active Park Assist Sensor signal circuit is shorted to battery voltage.

OBDII Code B13F3 - Left Rear Side Sensor Circuit Short To Battery - AutoCodes.com — B13F3 Code - Left Rear Side Sensor Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B13F3?

Faulty Left Rear Active Park Assist Sensor
Left Rear Active Park Assist Sensor harness is open or shorted
Left Rear Active Park Assist Sensor circuit poor electrical connection
Faulty Parking Assist Control Module (PAM)

How to Fix the DTC B13F3?

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 B13F3 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 B13F3 code?

Need more information on how to fix the B13F3 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B13F3 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B13F3 Ford — Left Rear Side Sensor Circuit Short To Battery
B13F3 Lincoln — Left Rear Side Sensor Circuit Short To Battery
B13F3 Mercury — Left Rear Side Sensor Circuit Short To Battery

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 B13F3 Code

1. What are some common symptoms of OBDII code B13F3 (Left Rear Side Sensor Circuit Short To Battery)?

- Common symptoms include the left rear side sensor malfunctioning, erratic behavior of the sensor, and possible issues with the vehicle stability control system.

2. What are the possible causes of OBDII code B13F3?

- The code B13F3 can be triggered by a short circuit in the wiring of the left rear side sensor, a faulty sensor itself, or issues with the vehicle's electrical system.

3. How can I diagnose the source of the circuit short to battery in the left rear side sensor?

- To diagnose the issue, you can conduct a visual inspection of the sensor wiring, perform a continuity test on the circuit, and use a multimeter to check for voltage irregularities.

4. Can I drive my vehicle with the OBDII code B13F3 active?

- It is not recommended to drive your vehicle with an active B13F3 code, as it can lead to stability control issues and compromise the accuracy of the left rear side sensor.

5. How can I repair the circuit short to battery in the left rear side sensor?

- Repairing the circuit short to battery may involve repairing or replacing the wiring harness, replacing the left rear side sensor, or addressing any underlying electrical issues in the vehicle.

6. Will resetting the OBDII code B13F3 make the issue go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the circuit short to battery is not addressed, the code is likely to return.

7. Can extreme weather conditions cause the OBDII code B13F3 to trigger?

- Extreme weather conditions can potentially exacerbate existing issues with the left rear side sensor circuit, leading to the triggering of the B13F3 code.

8. Is it possible to prevent the OBDII code B13F3 from occurring in the future?

- Regular maintenance checks, prompt repairs of sensor-related issues, and maintaining the vehicle's electrical system can help prevent the recurrence of the B13F3 code.

9. Are there any safety implications associated with the OBDII code B13F3?

- Yes, the B13F3 code indicates a potential issue with a safety-critical component like a stability control sensor, so it is important to address the problem promptly to ensure safe driving conditions.

10. How long does it typically take to repair the circuit short to battery in the left rear side sensor?

- The repair time can vary depending on the exact cause of the issue and the extent of the damage, but it may take anywhere from a few hours to a day to complete the repair.