AutoCodesJeep – B1EB4 Jeep

B1EB4 Jeep Code - Rear Right Seat Heater Sensor Circuit Resistance

Quick Answer

The Heated Seat Module (HSM) monitors the Rear Right Seat Heater Sensor Circuit. Common causes include Faulty Rear Right Seat Heater Sensor, Rear Right Seat Heater Sensor harness is open or shorted, Rear Right Seat Heater 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
B1EB4 Jeep indicates Rear Right Seat Heater Sensor Circuit Resistance.
Common causes
Common causes include Faulty Rear Right Seat Heater Sensor, Rear Right Seat Heater Sensor harness is open or shorted, Rear Right Seat Heater 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 1,056
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2019
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Code B1EB4 Jeep Description

The Heated Seat Module (HSM) monitors the Rear Right Seat Heater Sensor Circuit. The Heated Seat Module sets the OBDII code when the Right Rear Heated Seat Temperature Sense circuit is below or above the threshold for more than two seconds.
OBDII Code B1EB4 Jeep - Rear Right Seat Heater Sensor Circuit Resistance - AutoCodes.com
B1EB4 Jeep Code - Rear Right Seat Heater Sensor Circuit Resistance

What are the Possible Causes of the DTC B1EB4 Jeep?

  • Faulty Rear Right Seat Heater Sensor
  • Rear Right Seat Heater Sensor harness is open or shorted
  • Rear Right Seat Heater Sensor circuit poor electrical connection
  • Faulty Rear Right Seat Cushing Heater Element
  • Faulty Heated Seat Module (HSM)

How to Fix the DTC B1EB4 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1EB4 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.

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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 B1EB4 Jeep Code

1. What does the OBDII code B1EB4 mean on a Jeep?

B1EB4 indicates a problem with the rear right seat heater sensor circuit, specifically a resistance issue.

2. What are the symptoms of code B1EB4 in a Jeep?

Common symptoms include the rear right seat heater not working, inconsistent heating, or the seat heater control light flashing.

3. What causes code B1EB4 to appear?

This code is usually caused by a faulty seat heater sensor, damaged wiring, poor electrical connections, or a failed seat heating element.

4. Can I still drive my Jeep with the B1EB4 code?

Yes, the vehicle is safe to drive, but the rear right seat heater functionality may be compromised.

5. How do I diagnose the B1EB4 code?

Diagnosing involves checking the seat heater sensor, inspecting wiring and connectors for damage or corrosion, and testing the resistance of the seat heating element.

6. What tools are needed to troubleshoot the B1EB4 code?

You’ll need an OBDII scanner, a multimeter to measure resistance, and possibly repair manuals specific to your Jeep model.

7. How do I fix the B1EB4 code?

Repairs may involve replacing the seat heater sensor, repairing damaged wiring, or replacing the rear right seat heating element.

8. How much does it cost to fix the B1EB4 code?

Repair costs vary, but replacing a seat heater sensor or heating element typically ranges from $100 to $300, depending on parts and labor.

9. Can a blown fuse cause the B1EB4 code?

A blown fuse is unlikely to cause this specific code, but it’s still worth checking the relevant fuse during diagnosis.

10. Is the B1EB4 code covered under warranty?

It depends on your Jeep’s warranty. If the vehicle is still under warranty and the issue is due to a manufacturing defect, it may be covered.

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