B1405 2015 GMC Sierra Code - Control Module Voltage Reference Output 2 Circuit
Quick Answer
The parking assist sensors are 3-wire ultrasonic sensors that are used to determine the distance between the vehicle and an object. Common causes include Faulty Parking Assist Sensors, Parking Assist Sensors harness is open or shorted, Parking Assist Sensors 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
- B1405 2015 GMC Sierra indicates Control Module Voltage Reference Output 2 Circuit.
- Common causes
- Common causes include Faulty Parking Assist Sensors, Parking Assist Sensors harness is open or shorted, Parking Assist Sensors 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 B1405 2015 GMC Sierra Description
What are the Possible Causes of the DTC B1405 2015 GMC Sierra?
- Faulty Parking Assist Sensors
- Parking Assist Sensors harness is open or shorted
- Parking Assist Sensors circuit poor electrical connection
- Faulty Parking Assist Control Module
How to Fix the DTC B1405 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
B1405:03 Control Module Voltage Reference Output 2 Circuit Low Voltage
B1405:07 Control Module Voltage Reference Output 2 Circuit High Voltage
If the B1405 code is stored in the Seat Memory Control Module, check the Seat Motor and Seat Memory Control Module.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1405 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.
Need more information about the B1405 2015 GMC Sierra code?
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Frequently Asked Questions about B1405 2015 GMC Sierra Code
What does the OBDII code B1405 mean on a 2015 GMC Sierra?
Code B1405 indicates an issue with the Control Module Voltage Reference Output 2 Circuit, which provides a stable voltage signal to certain sensors.
What are the common symptoms of code B1405 in a 2015 GMC Sierra?
Symptoms may include the check engine light or service light illuminating, erratic sensor readings, or poor engine performance.
What causes the B1405 code to appear on a 2015 GMC Sierra?
Common causes include damaged wiring, a faulty sensor, a malfunctioning control module, or poor electrical connections in the voltage reference circuit.
Can a faulty sensor trigger the B1405 code?
Yes, a malfunctioning sensor that relies on the voltage reference signal can cause this code to be stored.
How do I diagnose the B1405 code on a 2015 GMC Sierra?
Start by inspecting the wiring and connectors in the voltage reference circuit, testing the affected sensors, and using a multimeter to check for proper voltage output.
Is the B1405 code serious, and can I drive with it?
While the vehicle may still be drivable, this code can lead to incorrect sensor readings and performance issues, so it’s best to address it promptly.
What tools are needed to fix the B1405 code on a 2015 GMC Sierra?
You’ll need a diagnostic scanner, a multimeter, and possibly repair tools to fix damaged wiring or replace sensors.
Can clearing the code B1405 solve the problem?
Clearing the code may temporarily turn off the warning light, but the underlying issue needs to be fixed to prevent the code from returning.
How much does it typically cost to repair the B1405 code?
Repair costs vary depending on the root cause, ranging from $50 for simple wiring repairs to $500+ if the control module requires replacement.
Can a software update resolve the B1405 code on a 2015 GMC Sierra?
In rare cases, a software update from the manufacturer could resolve the issue if it’s related to a known firmware bug, but this is less common.
Discuss the causes and fixes for B1405 2015 GMC Sierra OBDII Code
Code B1405 2015 GMC Sierra comments
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