AutoCodes – Chrysler – B10E8 Chrysler

B10E8 Chrysler Code - Blower Motor Control Circuit

Quick Answer

A Blower Motor Power Module allows the microprocessor-based A/C Heater Control to calculate and provide infinitely variable blower motor speeds based upon either manual blower switch input or the ATC programming. Common causes include Faulty Blower Motor Power Module, Blower Motor Power Module harness is open or shorted, Blower Motor Power Module 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
B10E8 Chrysler indicates Blower Motor Control Circuit.
Common causes
Common causes include Faulty Blower Motor Power Module, Blower Motor Power Module harness is open or shorted, Blower Motor Power Module 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 7,069
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B10E8 Chrysler Description

A Blower Motor Power Module allows the microprocessor-based A/C Heater Control to calculate and provide infinitely variable blower motor speeds based upon either manual blower switch input or the ATC programming. The ATC blower motor control system uses a Pulse Width Modulated (PWM) circuit strategy. PWM voltage is applied to a comparator circuit which compares the PWM signal voltage to the blower motor feedback voltage. The resulting output drives the power module circuitry, which provides a linear output voltage to change or maintain the desired blower speed. If the A/C Heater Control detects a short to ground on the Blower Motor Control circuit. If a valid voltage is detected the DTC will change from active to stored and stay in the controllers memory for 100 consecutive ignition cycles.
OBDII Code B10E8 Chrysler - Blower Motor Control Circuit - AutoCodes.com
B10E8 Chrysler Code - Blower Motor Control Circuit

What are the Possible Causes of the DTC B10E8 Chrysler?

  • Faulty Blower Motor Power Module
  • Blower Motor Power Module harness is open or shorted
  • Blower Motor Power Module circuit poor electrical connection
  • Faulty A/C Heater Control

How to Fix the DTC B10E8 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B10E8 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.

Need more information about the B10E8 Chrysler code?

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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 B10E8 Chrysler Code

1. What are common symptoms of OBDII code B10E8 Chrysler related to the Blower Motor Control Circuit?

- Common symptoms include the blower motor not working at all or only working on certain speeds, unusual noises coming from the HVAC system, and erratic behavior of the blower motor.

2. What are the possible causes of OBDII code B10E8 Chrysler indicating an issue with the Blower Motor Control Circuit?

- Potential causes include a faulty blower motor resistor, a failing blower motor relay, damaged wiring or connectors in the circuit, or a malfunctioning HVAC control module.

3. How can I diagnose the Blower Motor Control Circuit issue associated with OBDII code B10E8 Chrysler?

- Diagnosis typically involves checking the blower motor resistor for continuity, testing the blower motor relay, inspecting the wiring and connectors for damage, and scanning the HVAC system for fault codes.

4. What repair tips can help fix OBDII code B10E8 Chrysler related to the Blower Motor Control Circuit?

- Repair tips may include replacing the blower motor resistor, checking and replacing the blower motor relay if necessary, repairing any damaged wiring or connectors, and resetting the HVAC control module.

5. Can I drive my vehicle with OBDII code B10E8 Chrysler triggered by the Blower Motor Control Circuit issue?

- It is not recommended to drive the vehicle with this code active, as it may result in a lack of climate control inside the cabin, especially during extreme weather conditions.

6. How do I reset OBDII code B10E8 Chrysler after repairing the Blower Motor Control Circuit problem?

- After completing the necessary repairs, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the fault code.

7. Are there any preventive maintenance measures I can take to avoid OBDII code B10E8 Chrysler related to the Blower Motor Control Circuit?

- Regularly inspecting and servicing the HVAC system, checking for any unusual noises or issues with the blower motor, and addressing any electrical problems promptly can help prevent this code from occurring.

8. Is OBDII code B10E8 Chrysler exclusive to certain Chrysler vehicles or can it occur in other makes and models?

- While this specific code is associated with Chrysler vehicles, similar issues with the Blower Motor Control Circuit can occur in other makes and models, often with different diagnostic codes.

9. What is the typical cost to repair OBDII code B10E8 Chrysler caused by a Blower Motor Control Circuit problem?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, excluding any diagnostic fees.

10. Can I attempt to troubleshoot and repair OBDII code B10E8 Chrysler related to the Blower Motor Control Circuit myself, or should I seek professional help?

- If you have experience with automotive electrical systems and the necessary tools, you can attempt to diagnose and repair the issue yourself. However, if you are unsure or unfamiliar with such repairs, it is best to seek help from a qualified mechanic or technician.

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