B1325:07 GMC Code - Control Module Power Circuit High Voltage
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 Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power circuit poor electrical connection. 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
- B1325:07 GMC indicates Control Module Power Circuit High Voltage.
- Common causes
- Common causes include Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power circuit poor electrical connection.
- 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 B1325:07 GMC Description
What are the Possible Causes of the DTC B1325:07 GMC?
- Faulty Control Module Power
- Control Module Power harness is open or shorted
- Control Module Power circuit poor electrical connection
How to Fix the DTC B1325:07 GMC?
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 B1325:07 GMC 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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Information for Specific GMC Models
- B1325 2014 GMC Sierra — Device Power Circuit Voltage
- B1325 2015 GMC Sierra — Device Power Circuit Voltage
- B1325 2016 GMC Sierra — Device Power Circuit Voltage
- B1325 2017 GMC Sierra — Device Power Circuit Voltage
- B1325 2018 GMC Sierra — Device Power Circuit Voltage
Frequently Asked Questions about B1325:07 GMC Code
1. What does the OBDII code B1325:07 mean in a GMC vehicle?
The code B1325:07 indicates a "Control Module Power Circuit High Voltage," meaning the voltage supplied to a control module is higher than the acceptable range.
2. What are the common symptoms of the B1325:07 code in GMC vehicles?
Symptoms may include warning lights on the dashboard, erratic electrical behavior, or intermittent loss of functionality in electronic systems.
3. What causes the B1325:07 code to appear in GMC vehicles?
Common causes include a faulty alternator overcharging the system, a defective battery, poor grounding connections, damaged wiring, or a failing control module.
4. Can a bad alternator cause the B1325:07 code?
Yes, an alternator producing excessive voltage can lead to this code by overloading the control module's power circuit.
5. How do you diagnose the B1325:07 code on a GMC vehicle?
Diagnosis involves checking the battery voltage, alternator output, wiring, and ground connections, as well as inspecting the control module for any signs of damage.
6. Is it safe to drive with the B1325:07 code active?
It’s not recommended, as high voltage could damage sensitive electronics and lead to more severe electrical issues over time.
7. How can I fix the B1325:07 code in my GMC vehicle?
Repairs may include replacing a faulty alternator, repairing damaged wiring, securing loose ground connections, or replacing the affected control module.
8. Can a weak battery trigger the B1325:07 code?
A weak battery alone is unlikely to cause this code, but issues with the charging system could indirectly affect voltage regulation.
9. How much does it typically cost to repair the B1325:07 code in a GMC vehicle?
Repair costs vary depending on the root cause, but alternator replacement typically costs $400–$800, and wiring repairs may range from $100–$300.
10. Can I reset the B1325:07 code without fixing the problem?
You can clear the code temporarily with an OBDII scanner, but it will return if the underlying issue isn’t resolved.
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