AutoCodes – Jeep – B105C Jeep

B105C Jeep Code - Recirculation Door Travel Range Too Small

Quick Answer

After the initial installation of the A/C Heater Module, the controller is calibrated to each individual blend/mode door actuator. Common causes include Binding Recirculation Door, Faulty Recirculation Door Actuator, Recirculation Door Actuator harness is open or shorted. 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: B105C Jeep indicates Recirculation Door Travel Range Too Small.
Common causes: Common causes include Binding Recirculation Door, Faulty Recirculation Door Actuator, Recirculation Door Actuator harness is open or shorted.
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.

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Code Popularity 4,475

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 Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B105C Jeep Description

After the initial installation of the A/C Heater Module, the controller is calibrated to each individual blend/mode door actuator. These calibrations are stored as in the number of pulses it takes to move the door from one stop to another. The A/C Heater Module drives the Door Actuators by the use of Door Driver circuit and a Common Door Driver circuit and monitors all door actuator pulses to detect door movement in both directions. Most of the door actuators share a common door driver circuit but each door actuator has its own unique driver circuit. Due to shared circuitry, similar Diagnostic Trouble Codes (DTCs) can set at the same time for multiple actuators depending upon the type of circuit malfunction, its location, and the direction the actuator is moving when the malfunction is present.

OBDII Code B105C Jeep - Recirculation Door Travel Range Too Small - AutoCodes.com — B105C Jeep Code - Recirculation Door Travel Range Too Small

What does this mean?

What are the Possible Causes of the DTC B105C Jeep?

Binding Recirculation Door
Faulty Recirculation Door Actuator
Recirculation Door Actuator harness is open or shorted
Recirculation Door Actuator circuit poor electrical connection
Faulty A/C Heater Module

How to Fix the DTC B105C 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 B105C 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 B105C Jeep Code

1. What are the common symptoms of OBDII code B105C in a Jeep related to Recirculation Door Travel Range Too Small?

- Common symptoms include inconsistent airflow from the HVAC system, unusual clicking or grinding noises from the dashboard area, and the inability to properly control the cabin air circulation.

2. What are the potential causes of OBDII code B105C in a Jeep indicating Recirculation Door Travel Range Too Small?

- The code B105C can be triggered by a faulty recirculation door actuator, a malfunctioning recirculation door itself, or issues with the HVAC control module.

3. How can I diagnose the root cause of OBDII code B105C related to Recirculation Door Travel Range Too Small in my Jeep?

- To diagnose the issue, you can perform a visual inspection of the recirculation door and its actuator, check for any obstructions in the HVAC system, and use an OBDII scanner to retrieve additional diagnostic information.

4. Is it safe to continue driving my Jeep with OBDII code B105C indicating Recirculation Door Travel Range Too Small?

- While the vehicle may still be operable, it is not recommended to ignore this code as it can lead to discomfort due to inconsistent airflow and potentially cause further damage to the HVAC system.

5. Can I repair OBDII code B105C in my Jeep related to Recirculation Door Travel Range Too Small myself?

- Depending on your mechanical skills and access to tools, you may be able to address the issue yourself by replacing the faulty recirculation door actuator or door. However, if you are unsure, it is best to seek assistance from a professional mechanic.

6. What are some tips for preventing OBDII code B105C from recurring in my Jeep after repair?

- To prevent the code from reoccurring, ensure that the HVAC system is properly maintained, address any issues with the recirculation door promptly, and follow the manufacturer's recommended maintenance schedule.

7. Can extreme temperatures or environmental factors contribute to triggering OBDII code B105C in a Jeep for Recirculation Door Travel Range Too Small?

- Yes, extreme temperatures or environmental factors can potentially affect the HVAC system components, including the recirculation door, and lead to issues triggering the B105C trouble code.

8. How much does it typically cost to repair OBDII code B105C related to Recirculation Door Travel Range Too Small in a Jeep?

- Repair costs for OBDII code B105C can vary depending on the specific cause and whether you choose to do the repairs yourself or seek professional help. Costs may include parts and labor.

9. Are there any recalls or technical service bulletins related to OBDII code B105C in Jeeps for Recirculation Door Travel Range Too Small?

- It is recommended to check with the Jeep dealership or the manufacturer's website for any recalls or technical service bulletins related to OBDII code B105C and the Recirculation Door Travel Range Too Small issue.

10. How urgent is it to address OBDII code B105C indicating Recirculation Door Travel Range Too Small in my Jeep?

- While the issue may not pose an immediate safety risk, it is advisable to address the problem promptly to prevent discomfort while driving and to avoid potential further damage to the HVAC system.