B1395:07 Code - Control Module Voltage Reference Output 1 Circuit High Voltage
Quick Answer
The B1395:07 diagnostic trouble code (DTC) refers to the Control Module Voltage Reference Output 1 Circuit High Voltage. Common causes include Faulty Wiring: Damaged or corroded wiring in the voltage reference output circuit can lead to high voltage readings, Defective Control Module: A malfunctioning control module may be sending incorrect voltage signals to the various components, Power Supply Issues: Problems with the power supply to the control module, such as a weak battery or alternator, can result in high voltage output. 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
- B1395:07 indicates Control Module Voltage Reference Output 1 Circuit High Voltage.
- Common causes
- Common causes include Faulty Wiring: Damaged or corroded wiring in the voltage reference output circuit can lead to high voltage readings, Defective Control Module: A malfunctioning control module may be sending incorrect voltage signals to the various components, Power Supply Issues: Problems with the power supply to the control module, such as a weak battery or alternator, can result in high voltage output.
- 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 B1395:07 Description
The B1395:07 diagnostic trouble code (DTC) refers to the Control Module Voltage Reference Output 1 Circuit High Voltage. This code indicates that there is a problem with the voltage reference output circuit of a specific control module in the vehicle. In modern vehicles, control modules play a crucial role in managing various systems, such as the engine, transmission, ABS, and more. The voltage reference output circuit is responsible for providing a stable reference voltage to other components within the control module.
Common Causes of B1395:07
- Faulty Wiring: Damaged or corroded wiring in the voltage reference output circuit can lead to high voltage readings.
- Defective Control Module: A malfunctioning control module may be sending incorrect voltage signals to the various components.
- Power Supply Issues: Problems with the power supply to the control module, such as a weak battery or alternator, can result in high voltage output.
- Poor Ground Connection: A poor ground connection can cause voltage fluctuations and trigger this DTC.
- Environmental Factors: Extreme temperatures or moisture exposure can also contribute to high voltage output in the control module.
Symptoms of B1395:07
- Check Engine Light: The most common symptom associated with this DTC is the illumination of the check engine light on the dashboard.
- Erratic Engine Performance: High voltage output from the control module can lead to erratic engine performance, such as rough idling, stalling, or hesitation.
- Inaccurate Sensor Readings: Sensors that rely on the control module's reference voltage may provide incorrect readings, leading to issues with fuel delivery, timing, or emission control.
- Electrical Issues: The vehicle may experience electrical problems, such as flickering lights, malfunctioning accessories, or a dead battery.
- Transmission Issues: High voltage output can also impact the transmission's operation, causing gear shifting problems or abnormal behavior.
How to Fix B1395:07
- Diagnostic Scan: Begin by scanning the vehicle's onboard computer to retrieve the specific DTC and pinpoint the source of the issue.
- Visual Inspection: Inspect the wiring, connectors, and control module for any visible damage or corrosion that could be causing the high voltage output.
- Test Voltage Output: Use a multimeter to test the voltage output of the control module and identify any discrepancies from the normal range.
- Repair or Replace Components: Depending on the findings, repair or replace any damaged wiring, connectors, or the control module itself.
- Clear DTC and Test: After completing the repairs, clear the DTC from the vehicle's computer and test the vehicle to ensure that the issue has been resolved.
Cost to Fix B1395:07
The cost of repairing a Control Module Voltage Reference Output 1 Circuit High Voltage issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost can range from $200 to $500 for parts and labor. Keep in mind that these are rough estimates, and actual costs may differ based on factors such as the vehicle's make and model, the location of the repair shop, and the severity of the issue. Diagnostic time and labor rates at auto repair shops typically range from $80 to $150 per hour, so it's advisable to check with local shops for a more accurate cost estimate.
Tech Notes for B1395:07
B1395:07 Control Module Voltage Reference Output Circuit High Voltage
Need more information about the B1395:07 code?
Need more information on how to fix the B1395:07 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1395:07 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1395:07 Code
What does the OBDII code B1395:07 mean?
The code B1395:07 indicates that the Control Module Voltage Reference Output 1 Circuit is experiencing a high voltage condition beyond its normal operating range.
What are the common symptoms of the B1395:07 code?
Symptoms may include warning lights on the dashboard, erratic electrical system behavior, or issues with sensors relying on the voltage reference circuit.
What causes the B1395:07 code to appear?
Common causes include a faulty control module, damaged wiring, a short circuit, or a malfunctioning sensor drawing excessive voltage.
Can I drive my vehicle with the B1395:07 code?
It’s not recommended to drive the vehicle for long periods, as this issue can disrupt the functionality of critical systems and cause further damage.
How do I diagnose the B1395:07 code?
Start by inspecting the wiring and connectors for damage or corrosion, then test the voltage reference circuit and related sensors to identify any irregularities.
What tools are needed to repair the B1395:07 code?
You’ll need a multimeter, an OBDII scanner, and possibly wiring diagrams for your specific vehicle to diagnose and repair the issue.
How is the B1395:07 code typically fixed?
Repairs may include fixing or replacing damaged wiring, cleaning or reconnecting electrical connectors, or replacing a faulty control module or sensor.
What sensors are affected by the B1395:07 code?
This code can impact sensors that rely on the voltage reference circuit, such as throttle position sensors, MAP sensors, or other engine management components.
Can a low battery cause the B1395:07 code?
While unlikely, a low battery or charging system issue can sometimes contribute to voltage-related problems and should be checked.
How much does it cost to fix the B1395:07 code?
Repair costs vary depending on the root cause, ranging from $50 for simple wiring repairs to over $500 if a control module needs replacement.
Discuss the causes and fixes for B1395:07 OBDII Code
Code B1395:07 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.