Engine-Codes - Buick - B0208 BUICK

B0208 BUICK - Rear Blower Motor Speed Malfunction

Repair Importance Level: 3/3

Repair Difficulty Level: 3/3 What is this?

Table of contents

Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Meaning

B0208 BUICK Possible Causes

What does this mean?

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

How is the B0208 BUICK code repair?

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.

Tech Notes

What does this mean?

B0208 01 Rear Blower Motor Speed Circuit Short to Battery
B0208 06 Rear Blower Motor Speed Circuit Low Voltage/Open

What is the cost to diagnose the B0208 BUICK code

Labor: 1.0

The cost to diagnose the B0208 BUICK code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

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Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B0208 BUICK Meaning

The Auxiliary Blower Motor Control Module is an interface between the Heating, Ventilation, and Air Conditioning (HVAC) Control Module and the Auxiliary (Rear) Blower Motor. The auxiliary blower motor control module has 5 circuits: a B+ input, ground, a control signal from the HVAC module, a B+ output and a low side Pulse Width Modulation (PWM) control to the Auxiliary (Rear) Blower Motor. The HVAC control module provides a low side (PWM) signal to the auxiliary blower motor control module in order to request the auxiliary blower motor speed. The auxiliary blower motor control module grounds the blower motor using a low side PWM signal in order to vary the auxiliary blower motor speed.

More Information

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