B1405:03 Code - Control Module Voltage Reference Output 2 Circuit Low Voltage
Quick Answer
The B1405:03 diagnostic trouble code (DTC) indicates an issue with the Control Module Voltage Reference Output 2 Circuit in the vehicle. Common causes include Faulty control module voltage regulator, Wiring or connector issues in the voltage reference circuit, Corrosion or poor connections in the 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
- B1405:03 indicates Control Module Voltage Reference Output 2 Circuit Low Voltage.
- Common causes
- Common causes include Faulty control module voltage regulator, Wiring or connector issues in the voltage reference circuit, Corrosion or poor connections in the 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.
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Code B1405:03 Description
The B1405:03 diagnostic trouble code (DTC) indicates an issue with the Control Module Voltage Reference Output 2 Circuit in the vehicle. Specifically, it points to a low voltage condition within this circuit. The control module voltage reference output is responsible for providing a stable voltage supply to various sensors and modules in the vehicle's electronic control system. When the voltage output is too low, it can lead to erratic behavior or malfunctions in the affected systems, ultimately impacting the vehicle's performance and efficiency.
Common Causes of B1405:03
- Faulty control module voltage regulator
- Wiring or connector issues in the voltage reference circuit
- Corrosion or poor connections in the circuit
- Defective sensors or modules that rely on the voltage reference output
- Electrical system malfunctions or issues with the vehicle's battery
Symptoms of B1405:03
- Rough idling or engine stalling
- Poor acceleration or decreased engine performance
- Dashboard warning lights illuminated, such as the Check Engine Light
- Electrical malfunctions in various systems, such as power windows or door locks
How to Fix B1405:03
- Begin by conducting a thorough inspection of the wiring, connectors, and components in the Control Module Voltage Reference Output 2 Circuit to identify any visible damage or corrosion.
- Test the voltage output from the control module to determine if it is within the specified range. If it is below the acceptable level, the control module voltage regulator may need to be replaced.
- Check and repair any faulty wiring or connectors in the circuit. Ensure all connections are secure and free of corrosion.
- Test the affected sensors or modules for proper functionality. Replace any components that are found to be defective.
- Clear the DTC from the vehicle's memory using a diagnostic tool and perform a test drive to confirm that the issue has been resolved.
Cost to Fix B1405:03
The typical repair costs for addressing a B1405:03 DTC can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $100 to $300 for parts and labor to resolve this problem. Keep in mind that diagnostic time and labor rates can fluctuate, so it's recommended to obtain quotes from local auto repair shops for a more accurate estimate. Additionally, factors such as the vehicle's make and model, as well as the complexity of the repair, can influence the final cost.
Tech Notes for B1405:03
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.
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