Engine-Codes - Buick - B0193 Buick

B0193 Buick Code - Front Blower Motor Speed Circuit

- Code Popularity: 1,329 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents

What are the Possible Causes of the Code B0193 Buick?

  • 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 B0193 Buick Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Code B0193 Buick Tech Notes

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

What is the Cost to Diagnose the Code B0193 Buick?

Labor: 1.0

The cost to diagnose the B0193 Buick code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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What are Code B0193 Buick Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B0193 Buick Code Mean?

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.

B0193 Buick Code - Front Blower Motor Speed Circuit

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