AutoCodes – Jeep – B104E Jeep

B104E Jeep Code - Blend Door Control Circuit High

Quick Answer

The Powertrain Control Module (PCM) factors the Blend Door position and Blower Motor speed information into the coolant temperature modeling. Common causes include Faulty Blend Door Actuator, Blend Door Actuator harness is open or shorted, Blend Door Actuator circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B104E Jeep indicates Blend Door Control Circuit High.
Common causes: Common causes include Faulty Blend Door Actuator, Blend Door Actuator harness is open or shorted, Blend Door Actuator circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 15,389

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 11, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B104E Jeep Description

The Powertrain Control Module (PCM) factors the Blend Door position and Blower Motor speed information into the coolant temperature modeling. This information is received as a raw voltage signal from the Heating, Ventilation, & Air Conditioning (HVAC) Module over the Can Bus.

OBDII Code B104E Jeep - Blend Door Control Circuit High - AutoCodes.com — B104E Jeep Code - Blend Door Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B104E Jeep?

Faulty Blend Door Actuator
Blend Door Actuator harness is open or shorted
Blend Door Actuator circuit poor electrical connection
Faulty Heating, Ventilation, & Air Conditioning (HVAC) Module

How to Fix the DTC B104E 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B104E 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.

Need more information about the B104E Jeep code?

Need more information on how to fix the B104E Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B104E Jeep code diagnosed by a professional: Find a repair shop in your area

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 B104E Jeep Code

1. What are the common symptoms of OBDII code B104E in a Jeep related to the Blend Door Control Circuit High?

- The common symptoms include the HVAC system not blowing hot or cold air as expected, inconsistent temperature control, or the inability to adjust air direction.

2. What are the possible causes of the Blend Door Control Circuit High error code B104E in a Jeep?

- The possible causes may include a faulty blend door actuator, a short circuit in the wiring, a malfunctioning HVAC control module, or a problem with the blend door itself.

3. How can I diagnose the OBDII code B104E in my Jeep related to the Blend Door Control Circuit High?

- You can diagnose the issue by using a diagnostic scanner to read the fault codes, checking the blend door actuator for proper operation, inspecting the wiring for any signs of damage, and testing the HVAC control module.

4. Can I continue to drive my Jeep with the B104E error code related to the Blend Door Control Circuit High?

- While it may be possible to drive the vehicle with this error code, it is not recommended as it can lead to discomfort due to the HVAC system not functioning correctly.

5. How can I repair the Blend Door Control Circuit High issue in my Jeep?

- The repair process may involve replacing the blend door actuator, repairing any damaged wiring, resetting the HVAC control module, or recalibrating the blend door system.

6. Are there any DIY tips for fixing the Blend Door Control Circuit High error code in a Jeep?

- DIY tips may include checking and securing the wiring connections, ensuring the blend door actuator is properly aligned, and following a repair manual for your specific Jeep model.

7. Is it common for the B104E error code related to the Blend Door Control Circuit High to reoccur after repair?

- It is possible for the error code to reoccur if the root cause of the issue is not properly addressed during the repair process. Regular maintenance and inspections can help prevent this.

8. How long does it typically take to repair the Blend Door Control Circuit High error in a Jeep?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from a few hours to a full day to diagnose and fix the problem.

9. Can extreme temperatures or rough driving conditions trigger the B104E error code related to the Blend Door Control Circuit High in a Jeep?

- While extreme temperatures or harsh driving conditions may not directly trigger this error code, they can potentially worsen existing issues with the HVAC system components over time.

10. Should I reset the OBDII system after repairing the B104E error related to the Blend Door Control Circuit High in my Jeep?

- It is recommended to reset the OBDII system after repairing the error code to clear any stored fault codes and ensure the system is functioning properly.