AutoCodes – Pontiac – B1374 Pontiac

B1374 Pontiac Code - Ignition 1 Fault

Quick Answer

The Diagnostic Trouble Code (DTC) B1374 will set if IGNITION 1 input is not active after the engine has been running 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: B1374 Pontiac indicates Ignition 1 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 1,900

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 B1374 Pontiac Description

The Diagnostic Trouble Code (DTC) B1374 will set if IGNITION 1 input is not active after the engine has been running for 20 seconds. When DTC is present, SERVICE VEHICLE SOON indicator illuminates and check gauges chime will sound. A current DTC B1374 will clear when the fault is no longer present and the ignition switch is cycled. A history DTC B1374 clears when module ignition cycle counter reaches reset threshold, without a repeat of malfunction.

OBDII Code B1374 Pontiac - Ignition 1 Fault - AutoCodes.com — B1374 Pontiac Code - Ignition 1 Fault

What does this mean?

What are the Possible Causes of the DTC B1374 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 B1374 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 B1374 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 B1374 Pontiac code?

Need more information on how to fix the B1374 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1374 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 B1374 Pontiac Code

1. What are the common symptoms of OBDII code B1374 Pontiac Ignition 1 Fault?

- Common symptoms include engine misfires, rough idling, difficulty starting the vehicle, and reduced engine performance.

2. What can cause the OBDII code B1374 Pontiac Ignition 1 Fault?

- The code B1374 can be triggered by issues such as a faulty ignition coil, damaged spark plug wires, or a problem with the ignition control module.

3. How can I diagnose the OBDII code B1374 Pontiac Ignition 1 Fault?

- Diagnosis typically involves checking the ignition system components for any visible damage, performing a spark test, and using a scan tool to monitor live data for irregularities.

4. What are some repair tips for addressing the OBDII code B1374 Pontiac Ignition 1 Fault?

- Repair tips may include replacing the faulty ignition components, checking and repairing any damaged wiring or connections, and clearing the trouble codes after completing the repairs.

5. Can a DIY enthusiast fix the OBDII code B1374 Pontiac Ignition 1 Fault?

- Depending on their skill level and access to the necessary tools, a DIY enthusiast may be able to address the B1374 code by following a repair manual or online guides.

6. Is it safe to continue driving with the OBDII code B1374 Pontiac Ignition 1 Fault?

- It is not recommended to drive the vehicle with a persistent ignition fault, as it can lead to more serious engine issues and potential safety hazards.

7. How much does it typically cost to repair the OBDII code B1374 Pontiac Ignition 1 Fault?

- The cost of repairs can vary depending on the extent of the issue and the specific components that need to be replaced, but it may range from $100 to $500 or more.

8. What are the long-term effects of ignoring the OBDII code B1374 Pontiac Ignition 1 Fault?

- Ignoring the B1374 code can lead to decreased fuel efficiency, engine damage, and potential breakdowns, which may result in more costly repairs in the future.

9. Can a bad battery cause the OBDII code B1374 Pontiac Ignition 1 Fault?

- While a bad battery can cause starting issues, it is less likely to directly trigger the B1374 code. However, ensuring a healthy battery is important for overall vehicle performance.

10. How can regular maintenance help prevent the OBDII code B1374 Pontiac Ignition 1 Fault?

- Regular maintenance, such as timely replacement of spark plugs and ignition components, can help prevent issues that may lead to the triggering of the B1374 code.