AutoCodes – GMC – B0417 GMC

B0417 GMC Code - Temperature Control Left Feedback Circuit Actuator Open

Quick Answer

The Heating, Ventilation, and Air Conditioning (HVAC) Control Module controls the HVAC door actuators to regulate the airflow through the HVAC system. Common causes include Faulty Left Air Temperature Actuator, Left Air Temperature Actuator harness is open or shorted, Left Air Temperature Actuator 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: B0417 GMC indicates Temperature Control Left Feedback Circuit Actuator Open.
Common causes: Common causes include Faulty Left Air Temperature Actuator, Left Air Temperature Actuator harness is open or shorted, Left Air Temperature Actuator 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 787

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 Mar 11, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0417 GMC Description

The Heating, Ventilation, and Air Conditioning (HVAC) Control Module controls the HVAC door actuators to regulate the airflow through the HVAC system. Each actuator consists of a stepper motor, a logic circuit, and a potentiometer. The potentiometer inside the door actuator allows the module to monitor the current position of the actuator drive shaft. The module supplies a 5-volt source voltage to the potentiometer on the 5-volt reference circuit. The module supplies ground to the potentiometer through the low reference circuit. The HVAC control module monitors the voltage drop across the potentiometer on the door position signal circuit. When the actuator shaft rotates, the voltage on the door position signal circuit changes. The module converts the voltage value to a count value where 1-volt is approximately equal to 51 counts. The HVAC control module calibrates the travel range of the HVAC door actuators when it is initially powered by the battery positive voltage circuit. During calibration, the module commands the actuators in each direction until door travel is stopped. The module stores the minimum door positions and the maximum door positions of each actuator into memory. The total travel range is calculated by subtracting the minimum door position from the maximum door position.

OBDII Code B0417 GMC - Temperature Control Left Feedback Circuit Actuator Open - AutoCodes.com — B0417 GMC Code - Temperature Control Left Feedback Circuit Actuator Open

What does this mean?

What are the Possible Causes of the DTC B0417 GMC?

Faulty Left Air Temperature Actuator
Left Air Temperature Actuator harness is open or shorted
Left Air Temperature Actuator circuit poor electrical connection
Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module

How to Fix the DTC B0417 GMC?

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 B0417 GMC 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 B0417 GMC Code

1. What does the OBDII code B0417 mean on a GMC vehicle?

The code B0417 indicates an issue with the Temperature Control Left Feedback Circuit Actuator, specifically that the circuit is open or not functioning properly.

2. What are the common symptoms of code B0417 in GMC vehicles?

Symptoms may include inconsistent or no temperature control on the left side of the vehicle, clicking noises from the HVAC system, or the inability to adjust the temperature on the driverâ€™s side.

3. What causes the B0417 code to appear on a GMC vehicle?

Common causes include a faulty temperature control actuator, damaged wiring in the feedback circuit, loose electrical connections, or issues with the HVAC control module.

4. Can I still drive my GMC vehicle with the B0417 code?

Yes, you can still drive your vehicle, but you may experience discomfort due to improper temperature regulation on the left side of the cabin.

5. How do I diagnose the B0417 code on a GMC vehicle?

Diagnosing includes using an OBDII scanner to retrieve the code, visually inspecting the actuator and its wiring for damage, and testing the actuator's functionality with a multimeter.

6. How much does it cost to fix the B0417 code on a GMC vehicle?

Repair costs can vary but typically range from $150 to $400, depending on whether the actuator needs replacement or if the issue is related to wiring or the HVAC control module.

7. Can I fix the B0417 code myself?

If you have basic mechanical and electrical skills, you can inspect and replace the actuator or repair damaged wiring. However, more complex issues may require professional assistance.

8. Does the B0417 code always mean the actuator is bad?

No, this code can also be triggered by issues such as faulty wiring, loose connections, or a malfunctioning HVAC control module.

9. What tools are needed to fix the B0417 code?

Youâ€™ll need tools such as an OBDII scanner, a multimeter for electrical testing, screwdrivers, and possibly a socket set to access and replace the actuator.

10. Will clearing the code with an OBDII scanner fix the B0417 issue?

Clearing the code may temporarily reset the system, but the underlying problem must be resolved to prevent the code from reappearing.