Engine-CodesChevrolet – B1370 2017 Chevrolet Silverado

B1370 2017 Chevrolet Silverado Code - Control Module Ignition ON and Start Circuit

Quick Answer

The B1370 code on a 2017 Chevrolet Silverado indicates a problem with the control module ignition ON and start circuit. Common causes include Faulty control module, Damaged wiring or connectors, Corrosion in the ignition circuit. 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
B1370 2017 Chevrolet Silverado indicates Control Module Ignition ON and Start Circuit.
Common causes
Common causes include Faulty control module, Damaged wiring or connectors, Corrosion in the ignition circuit.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1370 2017 Chevrolet Silverado Description

The B1370 code on a 2017 Chevrolet Silverado indicates a problem with the control module ignition ON and start circuit. This code typically points to an issue with the circuit that controls the ignition system when the vehicle is turned on and started. The control module plays a crucial role in managing the ignition process, ensuring that the engine starts smoothly and runs efficiently. When this circuit malfunctions, it can lead to various issues that affect the vehicle's performance and drivability.

OBDII Code B1370 2017 Chevrolet Silverado - Control Module Ignition ON and Start Circuit
B1370 2017 Chevrolet Silverado Code - Control Module Ignition ON and Start Circuit

Common Causes of B1370 2017 Chevrolet Silverado

  1. Faulty control module
  2. Damaged wiring or connectors
  3. Corrosion in the ignition circuit
  4. Loose connections in the ignition system
  5. Electrical issues in the vehicle's system

Symptoms of B1370 2017 Chevrolet Silverado

  1. Difficulty starting the vehicle
  2. Engine stalling or hesitation during startup
  3. Illumination of the Check Engine Light
  4. Reduced fuel efficiency
  5. Rough idling or engine misfires

How to Fix B1370 2017 Chevrolet Silverado

  1. Diagnose the issue using a scan tool to pinpoint the exact cause of the B1370 code.
  2. Inspect the control module, wiring, and connectors for any signs of damage or corrosion.
  3. Repair or replace any faulty components in the ignition circuit, such as the control module or wiring.
  4. Clear the code from the vehicle's computer system and test the ignition system to ensure proper functionality.
  5. If necessary, reprogram the control module to ensure it communicates correctly with the vehicle's systems.

Cost to Fix B1370 2017 Chevrolet Silverado

The cost of repairing a B1370 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, you can expect to pay anywhere from $100 to $500 for parts and labor. Keep in mind that labor rates at auto repair shops can vary, typically ranging from $80 to $150 per hour. Additionally, the cost of diagnostic time and any necessary reprogramming of the control module may also factor into the total repair bill. It's advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on your vehicle's specific needs.

Tech Notes for B1370 2017 Chevrolet Silverado

B1370:01 Control Module Ignition ON and Start Circuit Short to Battery

B1370:04 Control Module Ignition ON and Start Circuit Short to Ground or Open









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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 B1370 2017 Chevrolet Silverado Code

1. What does the OBDII code B1370 mean on a 2017 Chevrolet Silverado?

B1370 indicates an issue with the "Control Module Ignition ON and Start Circuit," suggesting a fault in the electrical circuit responsible for ignition and starting.

2. What are the symptoms of code B1370 in a 2017 Chevrolet Silverado?

Symptoms may include the engine failing to start, intermittent starting issues, dashboard warning lights, or difficulty turning the ignition key.

3. What causes the B1370 code to appear on a 2017 Chevrolet Silverado?

Common causes include a damaged ignition switch, faulty wiring or connectors in the ignition circuit, a malfunctioning control module, or a weak battery.

4. How can I diagnose a B1370 code in my Silverado?

Check for loose or corroded wiring, inspect the ignition switch, test the battery voltage, and use a diagnostic scanner to confirm the fault.

5. Can a weak battery trigger the B1370 code?

Yes, a weak or failing battery can cause voltage fluctuations, potentially triggering the B1370 code.

6. Is it safe to drive with a B1370 code on a 2017 Chevrolet Silverado?

Driving with this code is not recommended, as it may lead to starting failures or further damage to the ignition system.

7. How do I fix the B1370 code on my Silverado?

Repairs may include replacing a faulty ignition switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the control module.

8. Can the B1370 code clear itself after repairs?

The code may clear after repairs, but it’s best to use an OBDII scanner to erase it and confirm the issue is resolved.

9. How much does it cost to fix the B1370 code on a 2017 Chevrolet Silverado?

Repair costs can range from $100 to $500 or more, depending on whether it’s a simple wiring issue or the control module needs replacement.

10. Do I need a professional mechanic to fix a B1370 code?

While some issues, like checking connections, can be done at home, diagnosing and repairing electrical components may require a professional with specialized tools.

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