AutoCodes – Chrysler – B1E9D Chrysler

B1E9D Chrysler Code - Front Left Vent Control Circuit

Quick Answer

The Comfort Seat Wheel Module (CSWM) monitors the Front Left Vent Control Circuit. Common causes include Faulty Front Left Seat Back Vent Motor, Front Left Seat Back Vent Motor harness is open or shorted, Front Left Seat Back Vent Motor 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: B1E9D Chrysler indicates Front Left Vent Control Circuit.
Common causes: Common causes include Faulty Front Left Seat Back Vent Motor, Front Left Seat Back Vent Motor harness is open or shorted, Front Left Seat Back Vent Motor 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 755

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 05, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1E9D Chrysler Description

The Comfort Seat Wheel Module (CSWM) monitors the Front Left Vent Control Circuit. The CSWM sets the OBDII code when the CSWM detects on the Left Seat Vent Feed circuit a voltage below 1.0 volt or an amperage draw exceeding 1.5 amps for more than 2.0 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 200 mA for more than 12 seconds with the output turned on.

OBDII Code B1E9D Chrysler - Front Left Vent Control Circuit - AutoCodes.com — B1E9D Chrysler Code - Front Left Vent Control Circuit

What does this mean?

What are the Possible Causes of the DTC B1E9D Chrysler?

Faulty Front Left Seat Back Vent Motor
Front Left Seat Back Vent Motor harness is open or shorted
Front Left Seat Back Vent Motor circuit poor electrical connection
Faulty Comfort Seat Wheel Module (CSWM)

How to Fix the DTC B1E9D Chrysler?

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

B1E9D-11 FRONT LEFT VENT CONTROL CIRCUIT SHORT TO GROUND
B1E9D-12 FRONT LEFT VENT CONTROL CIRCUIT SHORT TO BATTERY
B1E9D-13 FRONT LEFT VENT CONTROL CIRCUIT OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1E9D Chrysler 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 B1E9D Chrysler Code

1. What does the OBDII code B1E9D mean on a Chrysler?

The B1E9D code indicates an issue with the front left vent control circuit, which regulates airflow through the left-side vents in the HVAC system.

2. What are common symptoms of the B1E9D code?

Symptoms may include reduced or no airflow from the front left vents, inconsistent vent operation, or the HVAC system not responding as expected.

3. What causes the B1E9D code to appear?

Common causes include a faulty vent control motor, damaged wiring or connectors, or a malfunctioning HVAC control module.

4. Can I still drive my Chrysler with the B1E9D code active?

Yes, the vehicle is safe to drive, but you may experience discomfort due to improper HVAC operation, especially in extreme weather conditions.

5. How is the B1E9D code diagnosed?

A technician will inspect the vent control motor, check for damaged or disconnected wiring, and use a diagnostic scanner to test the HVAC system's functionality.

6. What parts might need replacement to fix the B1E9D code?

Possible replacements include the front left vent control motor, wiring harness, connectors, or HVAC control module.

7. Can I fix the B1E9D code myself?

If you have experience with automotive electrical systems, you can check for loose connections or damaged wires, but more complex repairs may require professional assistance.

8. How much does it typically cost to repair the B1E9D code?

The repair cost can vary depending on the issue but typically ranges from $100 to $500, depending on labor and parts.

9. Can a software issue cause the B1E9D code?

Yes, a software glitch in the HVAC control module may cause the code. In such cases, a module reset or update may resolve the issue.

10. How can I prevent the B1E9D code from recurring?

Regular maintenance of the HVAC system, including inspecting wiring and ensuring the vent control motors are functioning properly, can help prevent this code from reappearing.