AutoCodes – RAM – B1E45 RAM

B1E45 RAM 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 RAM 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 504
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 03, 2019
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Code B1E45 RAM 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 RAM - 3rd Row Seat Left Backrest Position Sensor Circuit High - AutoCodes.com
B1E45 RAM Code - 3rd Row Seat Left Backrest Position Sensor Circuit High

What are the Possible Causes of the DTC B1E45 RAM?

  • 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 RAM?

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 RAM 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.

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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 RAM Code

1. What are the common symptoms of OBDII code B1E45 RAM for the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- Common symptoms include the airbag warning light being illuminated on the dashboard, the 3rd-row left seatback not adjusting properly, and potential issues with airbag deployment.

2. What are some possible causes of the B1E45 RAM code related to the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- Possible causes may include a faulty seat position sensor, damaged wiring or connectors in the seat system, or a problem with the airbag control module.

3. How can I diagnose the B1E45 RAM code for the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- Diagnosing this code typically involves using a professional OBDII scanner to retrieve the specific fault code, inspecting the seat position sensor and related wiring for damage, and performing continuity tests to identify any open circuits.

4. Are there any safety concerns associated with the B1E45 RAM code regarding the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- Yes, it is crucial to address this issue promptly as it may affect the proper functioning of the airbag system in the event of a collision, potentially compromising passenger safety.

5. Can I repair the B1E45 RAM code issue related to the 3rd Row Seat Left Backrest Position Sensor Circuit High on my own?

- While some DIY enthusiasts may attempt to diagnose and repair this issue themselves, it is recommended to seek professional assistance to ensure the problem is addressed correctly and safely.

6. How much does it typically cost to repair the B1E45 RAM code for the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the seat position sensor, repairing damaged wiring, or reprogramming the airbag control module, which could range from a few hundred to over a thousand dollars.

7. Is it safe to drive my vehicle with the B1E45 RAM code triggered for the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- It is not recommended to drive the vehicle with this code active, as it may indicate potential safety risks associated with the airbag system. It is best to have the issue addressed by a qualified technician as soon as possible.

8. Can resetting the OBDII system clear the B1E45 RAM code related to the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not resolved, the code is likely to reappear. It is essential to diagnose and fix the root cause of the problem.

9. Will the B1E45 RAM code for the 3rd Row Seat Left Backrest Position Sensor Circuit High affect the overall performance of my vehicle?

- While this code may not directly impact the performance of the vehicle, it is crucial for the proper functioning of the airbag system, which is a critical safety feature in the event of a collision.

10. How long does it typically take to repair the B1E45 RAM code issue related to the 3rd Row Seat Left Backrest Position Sensor Circuit High?

- The repair time can vary depending on the extent of the issue and the availability of replacement parts. In some cases, the repair can be completed within a few hours, while more complex repairs may take longer.

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