AutoCodes – Saturn – B3782 Saturn

B3782 Saturn Code - Air Flow Control 10 Feedback Circuit Malfunction

Quick Answer

The actuators operate using 5 circuits. Common causes include Faulty Auxiliary Mode Actuator, Auxiliary Mode Actuator harness is open or shorted, Auxiliary Mode Actuator circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B3782 Saturn indicates Air Flow Control 10 Feedback Circuit Malfunction.
Common causes: Common causes include Faulty Auxiliary Mode Actuator, Auxiliary Mode Actuator harness is open or shorted, Auxiliary Mode Actuator circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,182

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3782 Saturn Description

The actuators operate using 5 circuits. A 5-volt reference, low reference, signal circuit and two bi-directional 0 or 12 volt control circuits. The Heating, Ventilation, and Air Conditioning (HVAC) Control Module supplies a low reference and 5-volt reference to the potentiometer. The HVAC control module monitors the voltage drop across the potentiometer on the door position signal circuit. As the actuator door changes position the door position signal circuit voltage also changes. The two bi-directional control circuits enable the actuator to operate. Both circuits are set to 0 volts when the HVAC control module detects, from the feedback potentiometer, that the actuator is in the desired position. In order to move the actuator, the HVAC control module switches the appropriate control circuit to 12 volts.

OBDII Code B3782 Saturn - Air Flow Control 10 Feedback Circuit Malfunction - AutoCodes.com — B3782 Saturn Code - Air Flow Control 10 Feedback Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC B3782 Saturn?

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

How to Fix the DTC B3782 Saturn?

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 B3782 Saturn 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 B3782 Saturn code?

Need more information on how to fix the B3782 Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3782 Saturn code diagnosed by a professional: Find a repair shop in your area

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 B3782 Saturn Code

1. What are the common symptoms of OBDII code B3782 in a Saturn related to the Air Flow Control 10 Feedback Circuit Malfunction?

- Common symptoms include rough idling, engine stalling, decreased fuel efficiency, and illuminated Check Engine light.

2. What are the possible causes of the B3782 OBDII code in a Saturn indicating an Air Flow Control 10 Feedback Circuit Malfunction?

- Possible causes include a faulty air flow sensor, damaged wiring or connectors, issues with the air flow control module, or a damaged air filter.

3. How can I diagnose the B3782 OBDII code in my Saturn for the Air Flow Control 10 Feedback Circuit Malfunction?

- To diagnose the issue, use an OBDII scanner to retrieve the specific fault code, inspect the air flow sensor and related components, and check for any loose or damaged wiring.

4. Can I drive my Saturn with the B3782 OBDII code for the Air Flow Control 10 Feedback Circuit Malfunction?

- It is not recommended to drive the vehicle with this code as it can lead to poor performance, reduced fuel efficiency, and potential further damage to the engine.

5. How can I repair the B3782 OBDII code in my Saturn related to the Air Flow Control 10 Feedback Circuit Malfunction?

- Repair options include replacing the air flow sensor, repairing any damaged wiring or connectors, checking and replacing the air filter, and resetting the fault code with an OBDII scanner.

6. Is it possible to reset the B3782 OBDII code in my Saturn without fixing the underlying issue?

- While you can clear the fault code temporarily, it is recommended to address the root cause of the issue to prevent further problems and potential damage to the vehicle.

7. Are there any maintenance tips to prevent the B3782 OBDII code from appearing in my Saturn?

- Regularly inspect and replace the air filter, ensure proper installation of the air flow sensor, and address any engine performance issues promptly to prevent the code from reoccurring.

8. Can a DIY enthusiast without much experience fix the B3782 OBDII code in a Saturn themselves?

- Depending on the individual's comfort level with automotive repairs, some DIY enthusiasts may be able to address the issue by following repair guides and using basic tools.

9. How long does it typically take to repair the B3782 OBDII code in a Saturn related to the Air Flow Control 10 Feedback Circuit Malfunction?

- The repair time can vary based on the specific cause of the issue, but in general, it may take a few hours to a full day to diagnose and address the problem effectively.

10. Is it necessary to visit a mechanic for the B3782 OBDII code repair in my Saturn, or can I fix it myself?

- While some individuals may be able to address the issue themselves, if unsure or uncomfortable with the repair process, it is recommended to seek assistance from a qualified mechanic for proper diagnosis and repair.