AutoCodes – GMC – B1330 GMC

B1330 GMC Code - Control Module Power 2 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 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
B1330 GMC indicates Control Module Power 2 Circuit.
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.
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Code Popularity 1,725
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 29, 2024
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Code B1330 GMC Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the system voltage is not to factory specifications. The following control modules will set this Diagnostic Trouble Code (DTC): Body Control Module (BCM), Instrument Panel Cluster (IPC), Radio and Sensing and Diagnostic Module (SDM).
OBDII Code B1330 GMC - Control Module Power 2 Circuit - AutoCodes.com
B1330 GMC Code - Control Module Power 2 Circuit

What are the Possible Causes of the DTC B1330 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 B1330 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 B1330 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.

Need more information about the B1330 GMC code?

Need more information on how to fix the B1330 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific GMC Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1330 GMC Code

1. What are the common symptoms of OBDII code B1330 GMC?

The common symptoms of OBDII code B1330 GMC, Control Module Power 2 Circuit, may include issues with the vehicle's electrical system, such as power windows, door locks, or other accessories not working properly.

2. What are the possible causes of OBDII code B1330 GMC?

Possible causes of OBDII code B1330 GMC include a faulty control module, damaged wiring or connectors, a blown fuse, or a problem with the vehicle's battery or charging system.

3. How can I diagnose the cause of OBDII code B1330 GMC?

Diagnosing OBDII code B1330 GMC typically involves using a diagnostic scanner to retrieve the trouble codes stored in the vehicle's computer system. Additionally, a visual inspection of the wiring and connectors related to the Control Module Power 2 Circuit can help identify any visible issues.

4. What are some repair tips for OBDII code B1330 GMC?

Repairing OBDII code B1330 GMC may involve checking and replacing any blown fuses, repairing damaged wiring or connectors, or replacing the faulty control module. It is recommended to follow the manufacturer's diagnostic and repair procedures for a precise fix.

5. Can OBDII code B1330 GMC be fixed at home?

Depending on the cause of OBDII code B1330 GMC, it may be possible to fix it at home if you have the necessary tools and expertise. However, complex electrical issues or control module replacements may require professional diagnosis and repair.

6. Is it safe to continue driving with OBDII code B1330 GMC?

It is not recommended to continue driving with OBDII code B1330 GMC, as it may indicate underlying electrical issues that could potentially lead to further damage or safety hazards. It is best to address the problem promptly.

7. How much does it cost to repair OBDII code B1330 GMC?

The cost of repairing OBDII code B1330 GMC can vary depending on the underlying cause, the extent of the damage, and whether you choose to repair it yourself or seek professional help. Costs may include parts and labor fees.

8. Can a dead battery cause OBDII code B1330 GMC?

Yes, a dead or weak battery can potentially trigger OBDII code B1330 GMC if it affects the power supply to the control module responsible for the Power 2 Circuit. Ensure the battery is in good condition before proceeding with further diagnosis.

9. How long does it take to repair OBDII code B1330 GMC?

The repair time for OBDII code B1330 GMC can vary depending on the cause of the issue, the complexity of the repair, and the availability of parts. Simple fixes like replacing a fuse may take minutes, while more involved repairs could take several hours.

10. Can resetting the vehicle's computer clear OBDII code B1330 GMC?

Resetting the vehicle's computer by disconnecting the battery or using a diagnostic scanner may clear OBDII code B1330 GMC temporarily. However, if the underlying issue causing the code is not addressed, it is likely to reappear after some time.

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