B1395 2017 GMC Sierra 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 2017 GMC Sierra 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 2017 GMC Sierra Description
What are the Possible Causes of the DTC B1395 2017 GMC Sierra?
- 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 2017 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
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 2017 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.
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Frequently Asked Questions about B1395 2017 GMC Sierra Code
1. What does the OBDII code B1395 mean on a 2017 GMC Sierra?
The B1395 code indicates an issue with the Control Module Voltage Reference Output 1, which is responsible for supplying a stable voltage to certain vehicle sensors.
2. What are the common symptoms of code B1395 in a 2017 GMC Sierra?
Symptoms may include warning lights on the dashboard, malfunctioning sensors, poor vehicle performance, or intermittent electrical issues.
3. What causes the B1395 code to appear?
Common causes include a short or open circuit in the voltage reference circuit, a faulty control module, damaged wiring, or a failed sensor.
4. Can I still drive my 2017 GMC Sierra with the B1395 code active?
While the vehicle may still be drivable, ignoring the issue can lead to further problems with sensor functionality and performance. It’s best to address the problem promptly.
5. How do I diagnose the B1395 code in my GMC Sierra?
Diagnosis involves inspecting the wiring and connectors for damage, testing the voltage reference circuit, and using a scan tool to monitor sensor data and pinpoint the fault.
6. What tools are needed to fix the B1395 code?
A multimeter, wiring diagram, and an OBDII scan tool are typically required to diagnose and repair the issue.
7. What repairs can resolve code B1395 in a 2017 GMC Sierra?
Repairs may include fixing or replacing damaged wiring, cleaning or reconnecting loose connectors, or replacing the faulty control module or sensor.
8. How much does it cost to fix the B1395 code on a GMC Sierra?
Repair costs can vary widely depending on the root cause, ranging from $50 for wiring repairs to over $500 if a control module replacement is necessary.
9. Can a dead battery cause the B1395 code in my GMC Sierra?
While a dead battery is unlikely to directly cause this code, low voltage or electrical issues related to the battery can affect the control module’s operation.
10. How can I prevent the B1395 code from recurring?
Regularly inspect and maintain your vehicle’s wiring and connectors, and address any electrical issues promptly to prevent voltage reference circuit problems.
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