AutoCodesRAM – B1E49 RAM

B1E49 RAM Code - 3rd Row Seat Right Backrest Position Sensor Circuit Low

Quick Answer

The Power Rear Folding Seat Module monitors the Right Backrest Position Sensor. Common causes include Faulty Right Backrest Position Sensor, Right Backrest Position Sensor harness is open or shorted, Right 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
B1E49 RAM indicates 3rd Row Seat Right Backrest Position Sensor Circuit Low.
Common causes
Common causes include Faulty Right Backrest Position Sensor, Right Backrest Position Sensor harness is open or shorted, Right 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 435
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 B1E49 RAM Description

The Power Rear Folding Seat Module monitors the Right Backrest Position Sensor. If the sensor voltage is below a specified range this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1E49 RAM - 3rd Row Seat Right Backrest Position Sensor Circuit Low - AutoCodes.com
B1E49 RAM Code - 3rd Row Seat Right Backrest Position Sensor Circuit Low

What are the Possible Causes of the DTC B1E49 RAM?

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

How to Fix the DTC B1E49 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 B1E49 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 B1E49 RAM Code

1. What does the OBDII code B1E49 mean?

The B1E49 code indicates a problem with the 3rd Row Seat Right Backrest Position Sensor Circuit, specifically a low voltage condition.

2. What are the symptoms of the B1E49 code?

Symptoms may include the third-row seat's right backrest not adjusting properly, the seat being stuck in one position, or an illuminated check engine light or other warning indicators.

3. What causes the B1E49 code to appear?

Common causes include a faulty backrest position sensor, damaged wiring or connectors, or a problem with the seat control module.

4. Can I still use my vehicle with the B1E49 code active?

Yes, the vehicle is typically safe to drive, but the functionality of the third-row seat's right backrest may be compromised.

5. How do I diagnose the B1E49 code?

Diagnosis includes checking the wiring and connectors for damage, testing the backrest position sensor for proper operation, and scanning the seat control module for additional faults.

6. How do I fix the B1E49 code?

Repairs may involve replacing the backrest position sensor, repairing or replacing damaged wiring, or recalibrating the seat control module.

7. Can a dead battery cause the B1E49 code?

Yes, a low or dead battery can sometimes trigger this code due to insufficient voltage reaching the sensor circuit.

8. How much does it cost to fix the B1E49 code?

Repair costs depend on the issue but typically range from $100 to $300, depending on whether the sensor or wiring needs replacement.

9. Can I clear the B1E49 code without repairs?

You can clear the code with an OBDII scanner, but it will likely return if the underlying issue isn’t addressed.

10. Is the B1E49 code specific to RAM vehicles?

Yes, this code specifically applies to RAM vehicles equipped with third-row seating and their related position sensor systems.

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