AutoCodes – Chevrolet – B1445 Chevrolet

B1445 Chevrolet Code - Control Module Voltage Output Circuit

Quick Answer

The Body Control Module (BCM) controls the Retained Accessory Power Relay 1 and Retained Accessory Power Relay 2 through their control circuits by applying a voltage to the Retained Accessory Power Relay coil control circuit. Common causes include Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2, Retained Accessory Power Relay harness is open or shorted, Retained Accessory Power Relay 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: B1445 Chevrolet indicates Control Module Voltage Output Circuit.
Common causes: Common causes include Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2, Retained Accessory Power Relay harness is open or shorted, Retained Accessory Power Relay 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 2,371

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 18, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1445 Chevrolet Description

The Body Control Module (BCM) controls the Retained Accessory Power Relay 1 and Retained Accessory Power Relay 2 through their control circuits by applying a voltage to the Retained Accessory Power Relay coil control circuit. The Retained Accessory Power Relay 1 and Retained Accessory Power Relay 2 are energized when the ignition switch is in the ACCESSORY or the ON position. The Diagnostic Trouble Code (DTC) will be set when there is a fault in the Control Module Voltage Output Circuit.

OBDII Code B1445 Chevrolet - Control Module Voltage Output Circuit - AutoCodes.com — B1445 Chevrolet Code - Control Module Voltage Output Circuit

What does this mean?

What are the Possible Causes of the DTC B1445 Chevrolet?

Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2
Retained Accessory Power Relay harness is open or shorted
Retained Accessory Power Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1445 Chevrolet?

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 B1445 Chevrolet 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 B1445 Chevrolet code?

Need more information on how to fix the B1445 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1445 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B1445 2014 Chevrolet Silverado — Control Module Voltage Output Circuit
B1445 2015 Chevrolet Silverado — Control Module Voltage Output Circuit
B1445 2016 Chevrolet Silverado — Control Module Voltage Output Circuit
B1445 2017 Chevrolet Silverado — Control Module Voltage Output Circuit
B1445 2018 Chevrolet Silverado — Control Module Voltage Output Circuit

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 B1445 Chevrolet Code

1. What are common symptoms of OBDII code B1445 (Chevrolet) related to the Control Module Voltage Output Circuit?

- Common symptoms include illuminated warning lights on the dashboard, erratic behavior of electrical components, and issues with the vehicle's performance.

2. What are the possible causes of OBDII code B1445 (Chevrolet) indicating an issue with the Control Module Voltage Output Circuit?

- Potential causes may include a faulty control module, damaged wiring or connectors, a weak battery, or an issue with the voltage regulator.

3. How can I diagnose the Control Module Voltage Output Circuit issue associated with OBDII code B1445 (Chevrolet)?

- Diagnosing the problem typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the wiring and connectors for damage, testing the control module's voltage output, and checking the battery and voltage regulator.

4. Can a DIY enthusiast repair OBDII code B1445 (Chevrolet) related to the Control Module Voltage Output Circuit?

- While some basic troubleshooting like checking connections and fuses can be done by DIY enthusiasts, diagnosing and repairing complex issues with the control module or wiring may require professional assistance.

5. Are there any quick tips to troubleshoot OBDII code B1445 (Chevrolet) indicating a problem with the Control Module Voltage Output Circuit?

- Quick tips include checking the vehicle's battery health, inspecting the wiring and connectors for visible damage, and ensuring all connections related to the control module are secure.

6. Is it safe to continue driving with OBDII code B1445 (Chevrolet) triggered by the Control Module Voltage Output Circuit issue?

- It is not recommended to continue driving with this code triggered, as it can lead to further electrical problems and potential issues with the vehicle's performance and safety systems.

7. How much does it typically cost to repair OBDII code B1445 (Chevrolet) related to the Control Module Voltage Output Circuit?

- Repair costs can vary depending on the exact cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can resetting the OBDII system clear the B1445 code indicating a problem with the Control Module Voltage Output Circuit?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again by the vehicle's systems.

9. What are the implications of ignoring OBDII code B1445 (Chevrolet) related to the Control Module Voltage Output Circuit?

- Ignoring this code can lead to continued electrical issues, potential damage to the control module or other components, and may result in more costly repairs down the line.

10. How long does it typically take to repair OBDII code B1445 (Chevrolet) associated with the Control Module Voltage Output Circuit?

- The repair time can vary based on the specific diagnosis and required fixes, but it may take anywhere from a few hours to a full day, depending on the complexity of the issue.