B1395 Buick Code - Control Module Voltage Reference Output 1
Quick Answer
The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted. 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 Buick indicates Control Module Voltage Reference Output 1.
- Common causes
- Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted.
- 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 B1395 Buick Description
What are the Possible Causes of the DTC B1395 Buick?
- Low battery voltage
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC B1395 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
B1395:07 Control Module Voltage Reference Output Circuit Short to Battery or Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1395 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 B1395 Buick Code
1. What does OBDII code B1395 mean for a Buick?
Code B1395 indicates an issue with the Control Module Voltage Reference Output 1, suggesting a problem with the voltage reference circuit used by various sensors.
2. What are the common symptoms of code B1395 in a Buick?
Symptoms may include warning lights on the dashboard, poor engine performance, or erratic sensor readings.
3. What causes code B1395 to appear in a Buick?
This code can be triggered by a short or open circuit, a faulty sensor, damaged wiring, or a malfunctioning control module.
4. Can a faulty sensor cause code B1395 in a Buick?
Yes, a faulty sensor connected to the voltage reference circuit can cause this code if it disrupts the proper voltage flow.
5. How do I diagnose code B1395 in my Buick?
Start by inspecting the wiring and connectors for damage, then test the voltage reference circuit and any sensors that use it.
6. Is it safe to drive with code B1395 active in my Buick?
Driving with this code is not recommended, as it could affect engine performance or lead to further damage if unresolved.
7. How can I fix code B1395 in my Buick?
Repairs may include replacing damaged wiring, fixing loose connections, or replacing a faulty sensor or control module.
8. Can a blown fuse cause code B1395 in a Buick?
Yes, if a fuse in the voltage reference circuit is blown, it could disrupt the circuit and trigger this code.
9. How much does it cost to repair code B1395 in a Buick?
Repair costs vary depending on the issue, but they typically range from $100 to $500, depending on whether wiring, sensors, or the control module needs replacement.
10. Will clearing the code B1395 fix the problem permanently?
No, clearing the code without addressing the underlying issue will only result in the code returning. Proper diagnosis and repair are necessary.
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