AutoCodes – Chevrolet – C0870 2016 Chevrolet Silverado

C0870 2016 Chevrolet Silverado Code - Control Module Voltage Reference

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 Battery voltage, Faulty Control Module, Control Module harness is open or shorted. 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: C0870 2016 Chevrolet Silverado indicates Control Module Voltage Reference.
Common causes: Common causes include Battery voltage, Faulty Control Module, Control Module harness is open or shorted.
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 299

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 Jul 13, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0870 2016 Chevrolet Silverado Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Damage to components, and incorrect data can occur when the voltage is out of range. The vehicle has multiple Control Modules that will set this Diagnostic Trouble Code (DTC).

OBDII Code C0870 2016 Chevrolet Silverado - Control Module Voltage Reference - AutoCodes.com — C0870 2016 Chevrolet Silverado Code - Control Module Voltage Reference

What does this mean?

What are the Possible Causes of the DTC C0870 2016 Chevrolet Silverado?

Battery voltage
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC C0870 2016 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 C0870 2016 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 C0870 2016 Chevrolet Silverado code?

Need more information on how to fix the C0870 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0870 2016 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 C0870 2016 Chevrolet Silverado Code

1. What does the OBDII code C0870 mean on a 2016 Chevrolet Silverado?

Code C0870 indicates an issue with the control module voltage reference circuit, typically caused by a voltage irregularity or disruption.

2. What are the common symptoms of code C0870 in a Chevrolet Silverado?

Symptoms may include warning lights on the dashboard, erratic electrical behavior, and possible loss of functionality in certain vehicle systems.

3. What causes the C0870 code in a 2016 Chevrolet Silverado?

Common causes include a faulty control module, damaged wiring or connectors, poor grounding, or a malfunctioning sensor on the voltage reference circuit.

4. Can I drive my Silverado with a C0870 code?

While the truck may still be drivable, itâ€™s not recommended as the issue can affect critical systems and lead to further damage.

5. How do I fix a C0870 code on my Silverado?

Repairs may involve inspecting and repairing wiring, replacing a faulty control module or sensor, and ensuring proper grounding and voltage levels.

6. How is the C0870 code diagnosed?

A technician will use a scan tool to verify the code, inspect the voltage reference circuit, and test the wiring, connectors, and related components for faults.

7. Can a weak battery cause the C0870 code?

Yes, a weak or failing battery can result in voltage irregularities that trigger the C0870 code.

8. How much does it cost to repair the C0870 code on a 2016 Silverado?

Repair costs can vary widely depending on the root cause, ranging from $100 for minor wiring repairs to $500 or more if a control module needs replacement.

9. What is the voltage reference circuit in a 2016 Chevrolet Silverado?

The voltage reference circuit supplies a stable voltage to sensors and modules, ensuring accurate readings and proper system operation.

10. How can I prevent the C0870 code from recurring?

Regular maintenance, such as inspecting wiring for damage, ensuring the battery is in good condition, and addressing electrical issues promptly, can help prevent this code.