AutoCodes – Chevrolet – B1445 2015 Chevrolet Silverado

B1445 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 295

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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado - Control Module Voltage Output Circuit - AutoCodes.com — B1445 2015 Chevrolet Silverado Code - Control Module Voltage Output Circuit

What does this mean?

What are the Possible Causes of the DTC B1445 2015 Chevrolet Silverado?

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 2015 Chevrolet Silverado?

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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado code?

Need more information on how to fix the B1445 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1445 2015 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1445 in a 2015 Chevrolet Silverado?

- The common symptoms include illuminated warning lights on the dashboard, issues with the vehicle's electrical systems, and possible engine performance issues.

2. What does OBDII code B1445 indicate in a 2015 Chevrolet Silverado?

- OBDII code B1445 indicates a problem with the Control Module Voltage Output Circuit in a 2015 Chevrolet Silverado.

3. What are the possible causes of OBDII code B1445 in a 2015 Chevrolet Silverado?

- Possible causes of OBDII code B1445 can include a faulty control module, damaged wiring or connectors, or issues with the vehicle's battery or charging system.

4. How can I diagnose the Control Module Voltage Output Circuit issue causing OBDII code B1445 in my 2015 Chevrolet Silverado?

- Diagnosing the issue may involve checking the control module connections, inspecting the wiring for damage, and testing the voltage output using a multimeter.

5. Can OBDII code B1445 in a 2015 Chevrolet Silverado be fixed at home?

- Depending on the cause, some DIY enthusiasts may be able to fix the issue by checking and repairing wiring connections or replacing a faulty control module.

6. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code B1445?

- It is not recommended to continue driving the vehicle with OBDII code B1445, as it can lead to further electrical problems or engine performance issues.

7. How much does it typically cost to repair OBDII code B1445 in a 2015 Chevrolet Silverado at a professional auto repair shop?

- Repair costs for OBDII code B1445 can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

8. Are there any preventive measures to avoid OBDII code B1445 in a 2015 Chevrolet Silverado?

- Regular vehicle maintenance, such as checking the battery and electrical system, can help prevent issues that may trigger OBDII code B1445.

9. Can a low battery voltage cause OBDII code B1445 in a 2015 Chevrolet Silverado?

- Yes, a low battery voltage or charging system issue can potentially trigger OBDII code B1445 due to insufficient power supply to the control module.

10. How long does it typically take to repair OBDII code B1445 in a 2015 Chevrolet Silverado?

- The repair time for OBDII code B1445 can vary depending on the exact cause and complexity of the issue, but it may take a few hours to a full day at a professional auto repair shop.