B1328 2014 GMC Sierra Code - Device Power Circuit High
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 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
- B1328 2014 GMC Sierra indicates Device Power Circuit High.
- Common causes
- Common causes include 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 B1328 2014 GMC Sierra Description
What are the Possible Causes of the DTC B1328 2014 GMC Sierra?
- Battery voltage
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC B1328 2014 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 B1328 2014 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 B1328 2014 GMC Sierra Code
1. What does the OBDII code B1328 mean on a 2014 GMC Sierra?
The B1328 code indicates a "Device Power Circuit High" fault, meaning there is an issue with excessive voltage in a specific power circuit.
2. What are the common symptoms of the B1328 code on a 2014 GMC Sierra?
Symptoms may include warning lights on the dashboard, malfunctioning accessories or electrical components, and intermittent power issues.
3. What causes the B1328 code to appear on a 2014 GMC Sierra?
Common causes include a short to power, faulty wiring, damaged connectors, or a malfunctioning control module.
4. Can a blown fuse cause the B1328 code on a 2014 GMC Sierra?
No, a blown fuse typically causes a loss of power, not a high-voltage condition, but a damaged circuit associated with the fuse could contribute to the issue.
5. How do I diagnose the B1328 code on my 2014 GMC Sierra?
Use a multimeter to check for excessive voltage in the affected circuit, inspect wiring and connectors for damage, and verify the operation of related control modules.
6. Can a bad battery cause the B1328 code on a 2014 GMC Sierra?
It’s unlikely, but an overcharging alternator or incorrect voltage regulation could contribute to the high voltage condition.
7. Is it safe to drive with the B1328 code on a 2014 GMC Sierra?
Driving with this code is not recommended, as high voltage in a circuit could damage electrical components or cause further issues.
8. How much does it cost to fix the B1328 code on a 2014 GMC Sierra?
The repair cost varies depending on the cause, but it typically ranges from $50 for minor wiring repairs to over $500 if a control module needs replacement.
9. Can I clear the B1328 code without fixing the issue?
Clearing the code with a scanner may temporarily remove it, but the problem will likely return until the underlying issue is resolved.
10. What tools are needed to fix the B1328 code on a 2014 GMC Sierra?
You’ll need a diagnostic scanner, a multimeter, and basic tools for inspecting and repairing wiring or connectors.
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