B1441 2015 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 2015 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.
Code B1441 2015 GMC Sierra Description
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.
What are the Possible Causes of the DTC B1441 2015 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 2015 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.
Code Tech Notes
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 2015 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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Frequently Asked Questions about B1441 2015 GMC Sierra Code
1. What does the OBDII code B1441 indicate on a 2015 GMC Sierra?
The code B1441 refers to an issue with the Control Module Ignition OFF, Run, and Start Circuit, which monitors and detects problems in the ignition circuit's operation.
2. What are the common symptoms of code B1441 in a 2015 GMC Sierra?
Symptoms may include difficulty starting the vehicle, intermittent power to accessories, dashboard warning lights, or the vehicle not turning off as expected.
3. What causes the B1441 code to appear on a 2015 GMC Sierra?
The most common causes include a faulty ignition switch, damaged wiring or connectors in the ignition circuit, or a malfunctioning body control module (BCM).
4. Can a weak battery trigger the B1441 code on a 2015 GMC Sierra?
Yes, a weak or failing battery can cause voltage irregularities that may trigger this code.
5. How is the B1441 code diagnosed in a 2015 GMC Sierra?
Diagnosis typically includes using a scan tool to verify the code, inspecting the ignition switch, checking for damaged wiring or connectors, and testing the BCM for faults.
6. Can I drive with an active B1441 code on my 2015 GMC Sierra?
While the vehicle may still be drivable, ignoring this code could lead to further electrical issues or complete ignition failure.
7. How do you fix the B1441 code on a 2015 GMC Sierra?
Repairs may involve replacing the ignition switch, repairing or replacing damaged wiring, or reprogramming or replacing the BCM.
8. Is the B1441 code specific to the ignition switch on a 2015 GMC Sierra?
Not necessarily. While the ignition switch is a common culprit, the issue could also stem from wiring, connectors, or the BCM.
9. How much does it cost to fix the B1441 code on a 2015 GMC Sierra?
Repair costs can range from $150 to $600, depending on whether the issue is with the ignition switch, wiring, or BCM.
10. Can clearing the B1441 code with a scan tool resolve the problem on a 2015 GMC Sierra?
Clearing the code may temporarily remove it, but if the underlying issue isn’t fixed, the code will likely return.
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