AutoCodes – Generic – B1E9A

B1E9A Code - Front Right Heater Control Circuit

Quick Answer

The Comfort Seat Wheel Module (CSWM) monitors the Front Right Heater Control Circuit. Common causes include Faulty Front Right Seat Back Heater Element, Front Right Seat Back Heater Element harness is open or shorted, Front Right Seat Back Heater Element 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: B1E9A indicates Front Right Heater Control Circuit.
Common causes: Common causes include Faulty Front Right Seat Back Heater Element, Front Right Seat Back Heater Element harness is open or shorted, Front Right Seat Back Heater Element 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 5,953

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 04, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1E9A Description

The Comfort Seat Wheel Module (CSWM) monitors the Front Right Heater Control Circuit. The CSWM sets the OBDII code when the CSWM detects on the Right Front Seat Heater Control circuit an impedance equal to or above 7.0 Ohms for more than two seconds, a voltage below 1.0 volt or a current above 10.0 amps for more than two seconds with the output turned on, a voltage above 5.0 volts for more than two seconds with the output turned off or a current below 0.5 of an amp for more than two seconds with the output turned on.

OBDII Code B1E9A - Front Right Heater Control Circuit - AutoCodes.com — B1E9A Code - Front Right Heater Control Circuit

What does this mean?

What are the Possible Causes of the DTC B1E9A?

Faulty Front Right Seat Back Heater Element
Front Right Seat Back Heater Element harness is open or shorted
Front Right Seat Back Heater Element circuit poor electrical connection
Faulty Comfort Seat Wheel Module (CSWM)

How to Fix the DTC B1E9A?

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 does this mean?

Code Tech Notes

B1E9A-1E FRONT RIGHT HEATER CONTROL CIRCUIT RESISTANCE OUT OF RANGE
B1E9A-11 FRONT RIGHT HEATER CONTROL CIRCUIT SHORT TO GROUND
B1E9A-12 FRONT RIGHT HEATER CONTROL CIRCUIT SHORT TO BATTERY
B1E9A-13 FRONT RIGHT HEATER CONTROL CIRCUIT OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1E9A 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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Information for Specific Makes

B1E9A Chrysler — Front Right Heater Control Circuit
B1E9A Dodge — Front Right Heater Control Circuit
B1E9A Jeep — Front Right Heater Control Circuit
B1E9A RAM — Front Right Heater Control Circuit

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 B1E9A Code

1. What are the common symptoms of OBDII code B1E9A (Front Right Heater Control Circuit)?

The common symptoms of OBDII code B1E9A include a lack of heat coming from the front right heater vent, inconsistent temperature control, or a complete failure of the front right heater.

2. What are the possible causes of OBDII code B1E9A?

Possible causes of OBDII code B1E9A include a faulty front right heater control module, damaged wiring or connectors in the heater circuit, or a malfunctioning temperature sensor.

3. How can I diagnose the issue related to OBDII code B1E9A?

Diagnosing the issue related to OBDII code B1E9A involves using a diagnostic scanner to read the code, checking the front right heater control module for any visible damage, and testing the wiring and connectors for continuity and proper voltage.

4. Can I still drive my vehicle with OBDII code B1E9A present?

It is generally safe to drive your vehicle with OBDII code B1E9A present, but you may experience discomfort from the lack of proper heating in the front right area of the vehicle.

5. How can I repair OBDII code B1E9A?

Repairing OBDII code B1E9A may involve replacing the front right heater control module, repairing or replacing damaged wiring or connectors, or recalibrating the temperature sensor.

6. Are there any DIY tips for fixing OBDII code B1E9A?

If you are experienced with automotive electrical systems, you may attempt to check and repair the wiring and connectors related to the front right heater control circuit. However, it is recommended to seek professional help for a more accurate diagnosis and repair.

7. How much does it typically cost to fix OBDII code B1E9A?

The cost of fixing OBDII code B1E9A can vary depending on the exact cause of the issue, but it may range from $100 to $500 for parts and labor.

8. Is OBDII code B1E9A a common issue in certain vehicle makes and models?

OBDII code B1E9A related to the front right heater control circuit is more commonly seen in vehicles equipped with advanced climate control systems and individual heating controls for different areas of the vehicle.

9. Can extreme weather conditions affect the occurrence of OBDII code B1E9A?

Extreme weather conditions, such as very cold temperatures, can potentially put more strain on the heating system components, increasing the likelihood of issues related to OBDII code B1E9A.

10. Will resetting the OBDII code B1E9A make the issue go away permanently?

Resetting the OBDII code B1E9A may temporarily clear the code, but if the underlying issue with the front right heater control circuit is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem for a permanent solution.