B1441 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado?
- 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 2018 Chevrolet Silverado?
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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado Code
1. What does the OBDII code B1441 mean on a 2018 Chevrolet Silverado?
The B1441 code indicates an issue with the Control Module Ignition OFF, Run, and Start Circuit, which relates to how the vehicle's control module interprets ignition key positions.
2. What are the symptoms of the B1441 code in a 2018 Chevrolet Silverado?
Common symptoms include difficulty starting the vehicle, the ignition system not responding correctly, or erratic behavior of electrical components.
3. What causes the B1441 code to appear in a 2018 Chevrolet Silverado?
This code is often caused by faulty ignition switches, wiring issues, a damaged control module, or poor electrical connections in the ignition circuit.
4. Can the B1441 code cause the vehicle to become inoperable?
Yes, if the ignition circuit is severely compromised, the vehicle may fail to start or shut off unexpectedly.
5. How can I diagnose the B1441 code in my 2018 Chevrolet Silverado?
Diagnosis typically involves checking the ignition switch, inspecting wiring and connectors for damage or corrosion, and using a scan tool to monitor ignition circuit signals.
6. Is the B1441 code dangerous to continue driving with?
It can be unsafe if the issue causes the vehicle to stall while driving or prevents critical systems from functioning properly.
7. How is the B1441 code repaired on a 2018 Chevrolet Silverado?
Repair may involve replacing the ignition switch, repairing damaged wiring, or reprogramming or replacing the control module if necessary.
8. Can a dead battery trigger the B1441 code?
While unlikely, a low or dead battery can sometimes cause electrical irregularities that might lead to ignition system errors, including this code.
9. How much does it cost to fix the B1441 code on a 2018 Chevrolet Silverado?
Repair costs vary depending on the cause but typically range from $150 to $500, including parts and labor.
10. Can I clear the B1441 code without fixing the problem?
Clearing the code without addressing the root cause will not fix the issue, and the code is likely to return as the problem persists.
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