AutoCodes – Saturn – B0248 Saturn

B0248 Saturn Code - Air Flow Control 3 Circuit

Quick Answer

Stepper motors are used for temperature regulation, air distribution control and recirculation door control. Common causes include Faulty Mode Actuator, Mode Actuator harness is open or shorted, Mode 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: B0248 Saturn indicates Air Flow Control 3 Circuit.
Common causes: Common causes include Faulty Mode Actuator, Mode Actuator harness is open or shorted, Mode 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 1,077

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 10, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0248 Saturn Description

Stepper motors are used for temperature regulation, air distribution control and recirculation door control. With the switches and dials on the HVAC controls, air temperature door position, mode door position and recirculation door position can be selected. The selected values are passed to the Heating, Ventilation, and Air Conditioning (HVAC) Control Module via serial data. The HVAC control module supplies a 12 V reference voltage to the stepper motors and energizes the 4 stepper motor coils with a pulsed ground signal. The stepper motors move the appropriate doors into the calculated positions, in order to reach the desired positions.

OBDII Code B0248 Saturn - Air Flow Control 3 Circuit - AutoCodes.com — B0248 Saturn Code - Air Flow Control 3 Circuit

What does this mean?

What are the Possible Causes of the DTC B0248 Saturn?

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

How to Fix the DTC B0248 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 B0248 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 B0248 Saturn code?

Need more information on how to fix the B0248 Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0248 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 B0248 Saturn Code

1. What are the common symptoms of OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

The common symptoms include rough idling, poor engine performance, decreased fuel efficiency, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

Possible causes may include a faulty air flow control actuator, damaged wiring or connectors in the circuit, or a problem with the engine control module.

3. How can I diagnose the OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the wiring and connectors for any visible damage, and testing the air flow control actuator for proper functionality.

4. Can I still drive my Saturn with OBDII code B0248 related to the Air Flow Control 3 Circuit?

It is not recommended to drive your Saturn with this code present, as it can lead to further engine damage and decreased performance. It is best to address the issue promptly.

5. How can I repair OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

Repair methods may include replacing the faulty air flow control actuator, repairing or replacing damaged wiring or connectors, and clearing the trouble code with a scan tool after the repair is completed.

6. Is it possible to reset the OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit without fixing the underlying issue?

While you can clear the trouble code with a scan tool, it is important to address the root cause of the problem to prevent the code from reappearing and causing further issues.

7. How much does it cost to repair OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

The cost of repair can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is recommended to obtain quotes from different shops for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

Depending on your experience and access to tools, a DIY enthusiast may be able to address this issue by following repair guides and using proper diagnostic equipment. However, if you are unsure, it is best to consult a professional mechanic.

9. How long does it typically take to repair OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

The repair time can vary depending on the complexity of the issue and the availability of parts. Some repairs may be completed in a few hours, while others may take longer if extensive diagnosis or part replacement is required.

10. Are there any preventive measures to avoid OBDII code B0248 in a Saturn related to the Air Flow Control 3 Circuit?

Regular maintenance, such as checking the condition of wiring and connectors, and addressing any engine performance issues promptly, can help prevent this code from occurring.