B1380 2014 GMC Sierra Code - Control Module Ignition Accessory Circuit
Quick Answer
The B1380 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Control Module Ignition Accessory Circuit. Common causes include Faulty ignition switch: A malfunctioning ignition switch can prevent the proper signal from reaching the BCM, triggering the B1380 code, Wiring issues: Damaged or corroded wiring in the ignition accessory circuit can disrupt the flow of electricity and cause the code to be set, BCM failure: A failing body control module can also lead to the B1380 code as it may not be able to properly control the ignition accessory circuit. 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
- B1380 2014 GMC Sierra indicates Control Module Ignition Accessory Circuit.
- Common causes
- Common causes include Faulty ignition switch: A malfunctioning ignition switch can prevent the proper signal from reaching the BCM, triggering the B1380 code, Wiring issues: Damaged or corroded wiring in the ignition accessory circuit can disrupt the flow of electricity and cause the code to be set, BCM failure: A failing body control module can also lead to the B1380 code as it may not be able to properly control the ignition accessory circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1380 2014 GMC Sierra Description
The B1380 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Control Module Ignition Accessory Circuit. This code indicates a problem with the circuit that controls the ignition accessory functions in the vehicle. The ignition accessory circuit is responsible for powering components such as the radio, power windows, and interior lights when the ignition is in the accessory position. When this circuit malfunctions, it can lead to issues with these accessories not functioning properly or at all.
Common Causes of B1380 2014 GMC Sierra
- Faulty ignition switch: A malfunctioning ignition switch can prevent the proper signal from reaching the BCM, triggering the B1380 code.
- Wiring issues: Damaged or corroded wiring in the ignition accessory circuit can disrupt the flow of electricity and cause the code to be set.
- BCM failure: A failing body control module can also lead to the B1380 code as it may not be able to properly control the ignition accessory circuit.
- Blown fuse: A blown fuse in the circuit can prevent power from reaching the accessories, resulting in the code being triggered.
- Poor electrical connections: Loose or poor electrical connections in the circuit can cause intermittent issues with the ignition accessory functions.
Symptoms of B1380 2014 GMC Sierra
- Accessories not working: The most common symptom associated with the B1380 code is the failure of various accessories such as the radio, power windows, or interior lights to function when the ignition is in the accessory position.
- Intermittent issues: The accessories may work sporadically, turning on and off unexpectedly, indicating a potential problem with the circuit.
- Dashboard warning lights: The vehicle's dashboard may display warning lights related to the accessory circuit malfunction.
- Battery drain: A faulty ignition accessory circuit can lead to increased battery drain, causing the battery to discharge more quickly than usual.
How to Fix B1380 2014 GMC Sierra
- Diagnose the issue: Use a diagnostic scanner to retrieve the B1380 code and perform a thorough inspection of the ignition accessory circuit to identify the root cause of the problem.
- Check the ignition switch: Test the ignition switch to ensure it is functioning correctly and sending the proper signals to the BCM.
- Inspect wiring and connections: Check for any damaged or corroded wiring in the ignition accessory circuit and repair or replace as necessary. Also, ensure all electrical connections are secure.
- Test the BCM: If all other components check out, test the body control module to determine if it is functioning properly. Replace if necessary.
- Clear the code: After completing the repairs, clear the B1380 code from the vehicle's memory using the diagnostic scanner.
Cost to Fix B1380 2014 GMC Sierra
The typical repair costs for addressing a B1380 code related to the Control Module Ignition Accessory Circuit can vary depending on the specific cause of the issue. On average, the parts and labor for this repair can range from $150 to $500. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.
Tech Notes for B1380 2014 GMC Sierra
B1380:04 Control Module Ignition Accessory Circuit Short to Ground or Open
User Submitted Video
Need more information about the B1380 2014 GMC Sierra code?
Need more information on how to fix the B1380 2014 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1380 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1380 2014 GMC Sierra Code
1. What does the OBDII code B1380 mean on a 2014 GMC Sierra?
The B1380 code indicates an issue with the Control Module Ignition Accessory Circuit, which controls power to accessories like the radio and power windows when the ignition is in the accessory position.
2. What are the common symptoms of the B1380 code in a 2014 GMC Sierra?
Symptoms may include non-functional accessories (radio, power windows, etc.), a drained battery, or intermittent power loss to these systems.
3. What causes the B1380 code to trigger on a 2014 GMC Sierra?
Common causes include a faulty ignition switch, damaged wiring or connectors in the accessory circuit, or a malfunctioning control module.
4. Can a dead battery trigger the B1380 code in a 2014 GMC Sierra?
While a dead battery itself won’t directly trigger the code, issues like a parasitic drain from a short in the accessory circuit could cause both the battery to drain and the code to appear.
5. How do you diagnose the B1380 code on a 2014 GMC Sierra?
Diagnosis involves checking the ignition switch for proper operation, inspecting wiring and connectors for damage, and testing the control module for faults using a scan tool.
6. Is it safe to drive with the B1380 code active in a 2014 GMC Sierra?
Yes, but it’s not advisable, as the affected accessories may not function properly, and there could be a risk of further electrical damage if the issue isn’t addressed.
7. What repairs can fix the B1380 code in a 2014 GMC Sierra?
Repairs may include replacing the ignition switch, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the control module if necessary.
8. How much does it cost to fix the B1380 code on a 2014 GMC Sierra?
Repair costs vary, but ignition switch replacement typically ranges from $150 to $300, while wiring repairs or module replacement could cost more depending on the extent of the issue.
9. Can clearing the B1380 code solve the issue in a 2014 GMC Sierra?
Clearing the code may temporarily remove it, but if the underlying problem isn’t resolved, the code will likely return.
10. How can I prevent the B1380 code from occurring on my 2014 GMC Sierra?
Regularly inspect and maintain electrical systems, avoid overloading circuits with aftermarket accessories, and address any ignition switch or wiring issues promptly.
Discuss the causes and fixes for B1380 2014 GMC Sierra OBDII Code
Code B1380 2014 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.