AutoCodes – Pontiac – B1379 Pontiac

B1379 Pontiac 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 Pontiac 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 1,576

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 Pontiac 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 Pontiac - Ignition 3 Fault - AutoCodes.com — B1379 Pontiac Code - Ignition 3 Fault

What does this mean?

What are the Possible Causes of the DTC B1379 Pontiac?

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 Pontiac?

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 Pontiac 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 Pontiac code?

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

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Get the B1379 Pontiac 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 Pontiac Code

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

- Common symptoms include engine misfires, rough idling, poor acceleration, and difficulty starting the vehicle.

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

- The code is typically triggered by issues with the ignition system, such as faulty ignition coils, spark plugs, or wiring.

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

- Use a diagnostic scanner to read the code and pinpoint the exact cause, then inspect the ignition components for any visible damage or wear.

4. Can a bad battery cause the OBDII code B1379 Pontiac (Ignition 3 Fault)?

- Yes, a weak or failing battery can result in insufficient power reaching the ignition system, leading to the code being triggered.

5. What is the repair process for fixing the OBDII code B1379 Pontiac (Ignition 3 Fault)?

- Repairing the code usually involves replacing or repairing the faulty ignition components, such as ignition coils, spark plugs, or wiring harnesses.

6. Are there any specific Pontiac models known to be prone to the OBDII code B1379 (Ignition 3 Fault)?

- While the code can occur in various Pontiac models, it may be more common in specific models like the Pontiac G6 or Grand Prix.

7. Can driving with the OBDII code B1379 Pontiac (Ignition 3 Fault) cause further damage?

- Continuing to drive with the code may lead to decreased engine performance and potential damage to other engine components over time.

8. How much does it cost to repair the OBDII code B1379 Pontiac (Ignition 3 Fault) at a mechanic?

- The cost of repair can vary depending on the exact cause and the labor rates of the mechanic, but it typically ranges from $200 to $500.

9. Can I reset the OBDII code B1379 Pontiac (Ignition 3 Fault) myself?

- Yes, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes, but the underlying issue must still be addressed.

10. Is it safe to continue driving with the OBDII code B1379 Pontiac (Ignition 3 Fault) if the vehicle seems to be running fine?

- It is not recommended to ignore the code, as it indicates a problem with the ignition system that can worsen over time and potentially leave you stranded.