AutoCodes – GMC – B1441 2016 GMC Sierra

B1441 2016 GMC Sierra Code - Control Module Ignition OFF, Run, and Start Circuit

Quick Answer

The vehicle Power Mode Master (PMM) is the Body Control Module (BCM). Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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: B1441 2016 GMC Sierra indicates Control Module Ignition OFF, Run, and Start Circuit.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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 231

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 Apr 17, 2023

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code B1441 2016 GMC Sierra Description

The vehicle Power Mode Master (PMM) is the Body Control Module (BCM). The ignition switch is a low-current switch with multiple discrete circuits to the BCM. The BCM logic uses the ignition switch positions to identify the operator's desired power mode and activate specific discrete signals, and serial data messages for the operation of different subsystems as necessary. Other modules which have switched voltage inputs may operate in a default mode if the Power Mode Master serial data message does not match what the individual module can detect from its own connections.
The Power Mode Master will activate relays and other direct outputs of the Power Mode Master as needed according to the calculated power mode. Some relays controlled by the BCM are switched ignition voltage outputs that are pass-through circuits within the BCM directly from the ignition switch. If these circuits are short to ground, the B+ circuit fuse to the ignition switch will open.

OBDII Code B1441 2016 GMC Sierra - Control Module Ignition OFF, Run, and Start Circuit - AutoCodes.com — B1441 2016 GMC Sierra Code - Control Module Ignition OFF, Run, and Start Circuit

What does this mean?

What are the Possible Causes of the DTC B1441 2016 GMC Sierra?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1441 2016 GMC Sierra?

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 does this mean?

Code Tech Notes

B1441:01 Control Module Ignition OFF, Run, and Start Circuit Short to Battery
B1441:04 Control Module Ignition OFF, Run, and Start Circuit Short to Ground or Open

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1441 2016 GMC Sierra 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.

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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 B1441 2016 GMC Sierra Code

1. What does OBDII code B1441 mean on a 2016 GMC Sierra?

Code B1441 refers to an issue with the Control Module Ignition OFF, Run, and Start Circuit, indicating a malfunction in the communication or voltage levels in these circuits.

2. What are the common symptoms of code B1441 on a GMC Sierra?

Symptoms may include intermittent starting issues, electrical components not functioning properly, or the vehicle not recognizing the ignition key position.

3. What causes code B1441 to trigger on a 2016 GMC Sierra?

Common causes include faulty ignition switch, damaged wiring or connectors, a failing body control module (BCM), or poor electrical connections in the ignition circuit.

4. How can I diagnose code B1441 on my GMC Sierra?

Use an OBDII scanner to confirm the code, visually inspect the ignition circuit wiring and connectors for damage, and test the ignition switch and related components for proper operation.

5. Can a weak battery cause the B1441 code on a GMC Sierra?

Yes, a weak or failing battery can cause voltage irregularities that may trigger the B1441 code.

6. How do I fix code B1441 on a 2016 GMC Sierra?

Repairs may include replacing a faulty ignition switch, repairing damaged wiring or connectors, or reprogramming or replacing the body control module (BCM) if necessary.

7. Is it safe to drive a 2016 GMC Sierra with code B1441?

Driving may be possible, but itâ€™s not recommended as the issue can worsen, potentially leading to starting failures or other electrical malfunctions.

8. How much does it cost to repair code B1441 on a GMC Sierra?

Repair costs vary depending on the cause but typically range from $100 for minor wiring repairs to $500 or more if the BCM needs replacement.

9. Can I clear code B1441 without fixing the issue?

Clearing the code with an OBDII scanner may temporarily remove it, but it will likely return unless the underlying issue is resolved.

10. Do I need a professional mechanic to fix code B1441 on my GMC Sierra?

While some issues like checking connections or replacing a battery can be done by a DIYer, more complex repairs like BCM replacement or reprogramming may require professional expertise.