B1405 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC B1405 Buick?
- 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 Buick?
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 Buick 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 B1405 Buick Code
1. What does the OBDII code B1405 mean for a Buick?
The B1405 code indicates an issue with the Control Module Voltage Reference Output 2 Circuit, which is responsible for providing a stable voltage signal to certain sensors.
2. What are common symptoms of the B1405 code on a Buick?
Symptoms may include poor engine performance, inconsistent sensor readings, warning lights on the dashboard, or difficulty starting the vehicle.
3. What causes the B1405 code to appear?
Common causes include damaged wiring, a faulty sensor, a malfunctioning control module, or corrosion in the electrical connectors.
4. Can the B1405 code cause drivability issues in a Buick?
Yes, it can lead to drivability problems such as rough idling, hesitation during acceleration, or decreased fuel efficiency due to improper sensor readings.
5. How is the B1405 code diagnosed?
A mechanic typically uses an OBDII scanner to retrieve the code, inspects the wiring and connectors, and tests the sensors and control module for proper functionality.
6. How can I fix the B1405 code on my Buick?
Repairs may include replacing damaged wiring, cleaning corroded connectors, or replacing a faulty control module or sensor if necessary.
7. Is the B1405 code unique to Buicks?
No, this code can appear in other vehicles as well, but its specific implications and affected components may vary by make and model.
8. Can I still drive my Buick with the B1405 code active?
Driving with this code active is not recommended, as it can lead to further damage or unsafe operating conditions due to incorrect sensor data.
9. How much does it cost to repair the B1405 code on a Buick?
Repair costs vary depending on the root cause, but they can range from $100 for minor wiring repairs to several hundred dollars for control module replacement.
10. What preventative measures can I take to avoid the B1405 code?
Regular maintenance, such as inspecting wiring for damage and keeping electrical connections clean, can help prevent this code from appearing.
Discuss the causes and fixes for B1405 Buick OBDII Code
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