B1425 2018 GMC Sierra Code - Control Module Power Circuit
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
- B1425 2018 GMC Sierra indicates Control Module Power Circuit.
- 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 B1425 2018 GMC Sierra Description
What are the Possible Causes of the DTC B1425 2018 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 B1425 2018 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1425 2018 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.
Need more information about the B1425 2018 GMC Sierra code?
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Frequently Asked Questions about B1425 2018 GMC Sierra Code
1. What does the OBDII code B1425 mean on a 2018 GMC Sierra?
The code B1425 indicates an issue with the Control Module Power Circuit, typically related to faults in the power supply or wiring to a specific control module.
2. What are common symptoms of the B1425 code in a 2018 GMC Sierra?
Symptoms may include malfunctioning electrical components, warning lights on the dashboard, or intermittent power issues in related systems.
3. What causes the B1425 code to appear on a GMC Sierra?
Common causes include damaged or corroded wiring, a blown fuse, a faulty control module, or poor electrical connections in the power circuit.
4. Can driving with the B1425 code cause further damage?
Yes, ignoring the issue can lead to further electrical problems or failures in systems controlled by the affected module.
5. How do you diagnose the B1425 code on a 2018 GMC Sierra?
Diagnosis involves checking the circuit for proper voltage, inspecting wiring and connectors for damage, and testing the control module for faults.
6. What tools are required to fix the B1425 code?
You may need a multimeter, a scan tool capable of reading manufacturer-specific codes, and basic tools for inspecting and repairing wiring.
7. Can a blown fuse trigger the B1425 code on a GMC Sierra?
Yes, a blown fuse in the control module’s power circuit can cause the B1425 code to appear.
8. How much does it cost to repair the B1425 code on a 2018 GMC Sierra?
Repair costs vary but may range from $50 for simple wiring fixes to $500 or more if the control module needs replacement.
9. Is the B1425 code covered under warranty for a 2018 GMC Sierra?
It depends on the vehicle’s warranty status and coverage details, but power circuit issues might be covered under an extended warranty.
10. Can I fix the B1425 code myself on a GMC Sierra?
If you have basic electrical repair knowledge and tools, you can inspect and repair wiring or fuses. However, more complex issues may require professional assistance.
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