AutoCodes – Saturn – B1379 Saturn

B1379 Saturn Code - Ignition 3 Fault

Quick Answer

The Diagnostic Trouble Code (DTC) B1379 will set if IGNITION 3 is not active after IGNITION 1 has been active for 20 seconds. Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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: B1379 Saturn indicates Ignition 3 Fault.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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 807

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 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1379 Saturn Description

The Diagnostic Trouble Code (DTC) B1379 will set if IGNITION 3 is not active after IGNITION 1 has been active for 20 seconds. When DTC is present, SERVICE VEHICLE SOON indicator illuminates and check gauges chime will sound. A current DTC B1379 will clear when the fault is no longer present and the ignition switch is cycled. A history DTC B1379 clears when module ignition cycle counter reaches reset threshold, without a repeat of malfunction.

OBDII Code B1379 Saturn - Ignition 3 Fault - AutoCodes.com — B1379 Saturn Code - Ignition 3 Fault

What does this mean?

What are the Possible Causes of the DTC B1379 Saturn?

Faulty Body Control Module (BCM)
Body Control Module (BCM) harness is open or shorted
Body Control Module (BCM) circuit poor electrical connection
Faulty Instrument Panel Cluster (IPC)

How to Fix the DTC B1379 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 B1379 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 B1379 Saturn code?

Need more information on how to fix the B1379 Saturn code? Get Access to Factory Service Manuals

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Get the B1379 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 B1379 Saturn Code

1. What are the common symptoms of OBDII code B1379 Saturn (Ignition 3 Fault)?

The common symptoms of OBDII code B1379 Saturn (Ignition 3 Fault) may include issues with starting the vehicle, engine misfires, and loss of power while driving.

2. What causes the OBDII code B1379 Saturn (Ignition 3 Fault)?

The OBDII code B1379 Saturn (Ignition 3 Fault) is typically caused by a faulty ignition coil, a problem with the ignition system wiring, or a malfunctioning ignition control module.

3. How can I diagnose the OBDII code B1379 Saturn (Ignition 3 Fault)?

Diagnosing the OBDII code B1379 Saturn involves using a diagnostic scanner to retrieve the trouble code, checking the ignition system components for any visible damage, and performing a thorough inspection of the wiring harness.

4. Can a DIY enthusiast repair the OBDII code B1379 Saturn (Ignition 3 Fault)?

While some DIY enthusiasts may have the skills to address the OBDII code B1379 Saturn, it is recommended to consult a professional mechanic for accurate diagnosis and repair to avoid further complications.

5. Is it safe to continue driving with the OBDII code B1379 Saturn (Ignition 3 Fault) present?

It is not recommended to continue driving with the OBDII code B1379 Saturn (Ignition 3 Fault) present, as it can lead to more severe engine problems and potential safety hazards on the road.

6. How much does it typically cost to repair the OBDII code B1379 Saturn (Ignition 3 Fault)?

The cost of repairing the OBDII code B1379 Saturn (Ignition 3 Fault) can vary depending on the extent of the issue, but it may range from $100 to $500 or more, including parts and labor.

7. Can a faulty spark plug cause the OBDII code B1379 Saturn (Ignition 3 Fault)?

Yes, a faulty spark plug can contribute to triggering the OBDII code B1379 Saturn (Ignition 3 Fault) if it is not sparking correctly or causing misfires in the engine.

8. How long does it take to repair the OBDII code B1379 Saturn (Ignition 3 Fault)?

The repair time for the OBDII code B1379 Saturn (Ignition 3 Fault) can vary depending on the specific issue, but it may take anywhere from 1 to 3 hours to complete the repair.

9. Is it necessary to reset the OBDII code B1379 Saturn (Ignition 3 Fault) after repairing the issue?

Yes, it is essential to reset the OBDII code B1379 Saturn (Ignition 3 Fault) using a diagnostic scanner after repairing the underlying problem to clear the trouble code from the vehicle's computer system.

10. Can a loose battery connection trigger the OBDII code B1379 Saturn (Ignition 3 Fault)?

Yes, a loose or corroded battery connection can potentially trigger the OBDII code B1379 Saturn (Ignition 3 Fault) by causing voltage fluctuations in the electrical system, affecting the ignition components' performance.