AutoCodes – Jeep – B1E45 Jeep

B1E45 Jeep Code - 3rd Row Seat Left Backrest Position Sensor Circuit High

Quick Answer

The Power Rear Folding Seat Module monitors the Left Backrest Position Sensor. Common causes include Faulty Left Backrest Position Sensor, Left Backrest Position Sensor harness is open or shorted, Left Backrest Position 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: B1E45 Jeep indicates 3rd Row Seat Left Backrest Position Sensor Circuit High.
Common causes: Common causes include Faulty Left Backrest Position Sensor, Left Backrest Position Sensor harness is open or shorted, Left Backrest Position 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.

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Code Popularity 446

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 Sep 03, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1E45 Jeep Description

The Power Rear Folding Seat Module monitors the Left Backrest Position Sensor. If during motor operation the sensor voltage is not within a specified range this code will set.

OBDII Code B1E45 Jeep - 3rd Row Seat Left Backrest Position Sensor Circuit High - AutoCodes.com — B1E45 Jeep Code - 3rd Row Seat Left Backrest Position Sensor Circuit High

What does this mean?

What are the Possible Causes of the DTC B1E45 Jeep?

Faulty Left Backrest Position Sensor
Left Backrest Position Sensor harness is open or shorted
Left Backrest Position Sensor circuit poor electrical connection
Faulty Left Power Rear Folding Seat Back Motor
Faulty Power Rear Folding Seat Module

How to Fix the DTC B1E45 Jeep?

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 B1E45 Jeep 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 B1E45 Jeep code?

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Need Help with the Code?

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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 B1E45 Jeep Code

1. What are the common symptoms of OBDII code B1E45 in a Jeep related to the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- The common symptoms include the third-row seat left backrest not adjusting properly, seat adjustment controls not functioning, and the airbag warning light being illuminated.

2. What can cause the OBDII code B1E45 in a Jeep?

- The code B1E45 indicates a circuit high fault in the 3rd row seat left backrest position sensor. This can be caused by damaged wiring, a faulty sensor, or a malfunction in the seat adjustment mechanism.

3. How can I diagnose the OBDII code B1E45 in my Jeep?

- To diagnose the code B1E45, you can start by inspecting the wiring harness and connectors related to the 3rd row seat left backrest position sensor. You can also test the sensor itself for proper functionality.

4. Is it safe to drive the Jeep with the OBDII code B1E45 present?

- It is recommended not to drive the vehicle with the OBDII code B1E45 present, as it can affect the proper functioning of the 3rd row seat and potentially compromise safety features like airbags.

5. How can I repair the OBDII code B1E45 in my Jeep?

- Repairing the OBDII code B1E45 may involve repairing or replacing damaged wiring, replacing the faulty sensor, or addressing any issues with the seat adjustment mechanism. Consult a professional mechanic for a proper diagnosis and repair.

6. Can I reset the OBDII code B1E45 in my Jeep using an OBDII scanner?

- You can reset the OBDII code B1E45 using an OBDII scanner, but it is important to address the underlying issue causing the fault code to prevent it from recurring.

7. Are there any recalls or technical service bulletins related to the OBDII code B1E45 in Jeeps?

- It is recommended to check with a Jeep dealership or refer to the manufacturer's website for any recalls or technical service bulletins related to the OBDII code B1E45 in your specific Jeep model.

8. Will fixing the OBDII code B1E45 affect the functionality of other vehicle systems?

- Fixing the OBDII code B1E45 related to the 3rd row seat left backrest position sensor should not affect the functionality of other vehicle systems, as it is specific to the seat adjustment mechanism.

9. Can a DIY enthusiast repair the OBDII code B1E45 in a Jeep?

- While some DIY enthusiasts may be able to diagnose and repair the OBDII code B1E45, it is recommended to consult a professional mechanic for a proper diagnosis and repair to ensure safety and proper functionality.

10. How much does it typically cost to repair the OBDII code B1E45 in a Jeep?

- The cost of repairing the OBDII code B1E45 can vary depending on the underlying issue causing the fault code, the cost of parts, and the labor rates of the mechanic. It is advisable to get a few quotes from different repair shops for an accurate estimate.