AutoCodes – GMC – B0193 2015 GMC Sierra

B0193 2015 GMC Sierra Code - Front Blower Motor Speed Circuit

Quick Answer

The blower motor speed control signal from the Heating, Ventilation and Air Conditioning (HVAC) Control Module, battery positive, and ground circuits enable the blower motor to operate. Common causes include Faulty Front Blower Motor, Front Blower Motor harness is open or shorted, Front Blower Motor 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: B0193 2015 GMC Sierra indicates Front Blower Motor Speed Circuit.
Common causes: Common causes include Faulty Front Blower Motor, Front Blower Motor harness is open or shorted, Front Blower Motor 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.

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Code Popularity 288

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 11, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code B0193 2015 GMC Sierra Description

The blower motor speed control signal from the Heating, Ventilation and Air Conditioning (HVAC) Control Module, battery positive, and ground circuits enable the blower motor to operate. The blower motor control circuitry is integrated into the blower motor assembly. The HVAC control module provides a ground Pulse Width Modulation (PWM) signal to the blower motor to request a specific motor speed. The blower motor translates the PWM signal and drives the motor accordingly.

OBDII Code B0193 2015 GMC Sierra - Front Blower Motor Speed Circuit - AutoCodes.com — B0193 2015 GMC Sierra Code - Front Blower Motor Speed Circuit

What does this mean?

What are the Possible Causes of the DTC B0193 2015 GMC Sierra?

Faulty Front Blower Motor
Front Blower Motor harness is open or shorted
Front Blower Motor circuit poor electrical connection
Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module

How to Fix the DTC B0193 2015 GMC Sierra?

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

B0193:01 Front Blower Motor Speed Circuit Short to Battery
B0193:06 Front Blower Motor Speed Circuit Low Voltage/Open

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0193 2015 GMC Sierra 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 B0193 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B0193 in a 2015 GMC Sierra related to the Front Blower Motor Speed Circuit?

- Common symptoms include the front blower motor not working at all or operating at a single speed only.

2. What are the possible causes of OBDII code B0193 in a 2015 GMC Sierra?

- The code B0193 can be triggered by issues such as a faulty blower motor resistor, damaged wiring, or a malfunctioning blower motor control module.

3. How can I diagnose the Front Blower Motor Speed Circuit issue in my 2015 GMC Sierra?

- Use a diagnostic scan tool to retrieve the specific trouble code, then inspect the blower motor resistor, wiring connections, and control module for any signs of damage.

4. Can I continue driving my 2015 GMC Sierra with OBDII code B0193 present?

- It is not recommended to continue driving with this code as it can lead to discomfort due to lack of proper climate control in the vehicle.

5. How can I repair OBDII code B0193 in my 2015 GMC Sierra?

- Repair the Front Blower Motor Speed Circuit issue by replacing the faulty blower motor resistor, repairing damaged wiring, or replacing the blower motor control module as needed.

6. Are there any common DIY fixes for resolving OBDII code B0193 in a 2015 GMC Sierra?

- While some simple repairs like checking and cleaning wiring connections can be done DIY, it is recommended to consult a professional for accurate diagnosis and repair.

7. Will resetting the OBDII code B0193 in my 2015 GMC Sierra make the issue go away permanently?

- Simply resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear.

8. What should I do if I replaced the blower motor resistor but OBDII code B0193 persists in my 2015 GMC Sierra?

- If the issue persists after replacing the blower motor resistor, consider checking the wiring harness and the blower motor control module for further faults.

9. Is the Front Blower Motor Speed Circuit issue covered under warranty for a 2015 GMC Sierra?

- Depending on the warranty status and terms, this issue may be covered under the vehicle's warranty, so check with your dealership for more information.

10. How much can I expect to pay for professional repairs related to OBDII code B0193 in a 2015 GMC Sierra?

- The cost of professional repairs for the Front Blower Motor Speed Circuit issue can vary, but it's advisable to budget for parts and labor costs ranging from $100 to $300 or more depending on the extent of the repair needed.