AutoCodes – Chevrolet – B1445 2017 Chevrolet Silverado

B1445 2017 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 2017 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 208

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

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

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1445 2017 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 2017 Chevrolet Silverado - Control Module Voltage Output Circuit - AutoCodes.com — B1445 2017 Chevrolet Silverado Code - Control Module Voltage Output Circuit

What does this mean?

What are the Possible Causes of the DTC B1445 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the B1445 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1445 2017 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 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1445 in a 2017 Chevrolet Silverado?

The common symptoms of OBDII code B1445 in a 2017 Chevrolet Silverado may include issues with the vehicle's electrical system, such as intermittent or complete loss of power, malfunctioning dashboard lights, or erratic performance.

2. What does the OBDII code B1445 "Control Module Voltage Output Circuit" mean for a 2017 Chevrolet Silverado?

The OBDII code B1445 indicates a problem with the control module voltage output circuit in a 2017 Chevrolet Silverado, signaling a potential issue with the voltage supply to one of the vehicle's control modules.

3. What are the possible causes of OBDII code B1445 in a 2017 Chevrolet Silverado?

Possible causes of OBDII code B1445 in a 2017 Chevrolet Silverado may include a faulty control module, damaged wiring or connectors in the voltage output circuit, or a weak battery.

4. How can I diagnose the OBDII code B1445 in my 2017 Chevrolet Silverado?

Diagnosing the OBDII code B1445 in a 2017 Chevrolet Silverado typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the control module and related wiring for any visible damage, and testing the voltage output using a multimeter.

5. Is it safe to continue driving my 2017 Chevrolet Silverado with OBDII code B1445 present?

It is not recommended to continue driving your 2017 Chevrolet Silverado with OBDII code B1445 present, as the underlying voltage output circuit issue may lead to further electrical problems or potential safety hazards while driving.

6. Can I repair OBDII code B1445 in my 2017 Chevrolet Silverado myself?

Repairing OBDII code B1445 in a 2017 Chevrolet Silverado may require advanced knowledge and tools. While basic troubleshooting like checking for loose connections can be done by DIY enthusiasts, it is advisable to consult a professional mechanic for a proper diagnosis and repair.

7. How much does it cost to fix OBDII code B1445 in a 2017 Chevrolet Silverado?

The cost to fix OBDII code B1445 in a 2017 Chevrolet Silverado can vary depending on the root cause of the issue. Repairs may range from simple fixes like reconnecting loose wires to more complex solutions like replacing a faulty control module, with prices varying accordingly.

8. Are there any preventive measures to avoid OBDII code B1445 in a 2017 Chevrolet Silverado?

To prevent OBDII code B1445 in a 2017 Chevrolet Silverado, regular maintenance checks, ensuring proper battery health, and promptly addressing any electrical issues can help minimize the risk of experiencing control module voltage output circuit problems.

9. Will resetting the OBDII code B1445 in my 2017 Chevrolet Silverado make it disappear permanently?

Resetting the OBDII code B1445 in a 2017 Chevrolet Silverado may temporarily clear the code, but if the underlying issue causing the fault code is not addressed, it is likely to reappear once the problem resurfaces.

10. Can OBDII code B1445 in a 2017 Chevrolet Silverado affect the vehicle's overall performance?

OBDII code B1445 in a 2017 Chevrolet Silverado can potentially impact the vehicle's overall performance by causing electrical malfunctions or interruptions in the control module voltage output circuit, leading to issues with various systems that rely on proper voltage supply.