AutoCodes – Chevrolet – C0870 2018 Chevrolet Silverado

C0870 2018 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 2018 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 277

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 2018 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 2018 Chevrolet Silverado - Control Module Voltage Reference - AutoCodes.com — C0870 2018 Chevrolet Silverado Code - Control Module Voltage Reference

What does this mean?

What are the Possible Causes of the DTC C0870 2018 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 2018 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 2018 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 2018 Chevrolet Silverado code?

Need more information on how to fix the C0870 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0870 2018 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 2018 Chevrolet Silverado Code

1. What does OBDII code C0870 on a 2018 Chevrolet Silverado mean?

This code indicates a problem with the Control Module Voltage Reference in the vehicle.

2. What are common symptoms of OBDII code C0870 in a 2018 Chevrolet Silverado?

Common symptoms include issues with the vehicle's electrical systems, such as dashboard warning lights coming on or flickering.

3. What are possible causes of OBDII code C0870 on a 2018 Chevrolet Silverado?

Potential causes include a faulty control module, wiring issues, or a weak battery causing voltage fluctuations.

4. How can I diagnose OBDII code C0870 on my 2018 Chevrolet Silverado?

Diagnosis typically involves using a diagnostic scanner to retrieve the specific code, checking the control module and related wiring for any visible damage, and testing the battery voltage.

5. Is it safe to continue driving with OBDII code C0870 on a 2018 Chevrolet Silverado?

It is generally not recommended to drive the vehicle with this code present, as it may lead to further electrical issues or potential system failures.

6. Can I repair OBDII code C0870 on my 2018 Chevrolet Silverado myself?

While some may attempt to address the issue themselves by checking wiring connections or replacing the control module, it is often best to consult a professional mechanic for proper diagnosis and repair.

7. What are the repair options for OBDII code C0870 on a 2018 Chevrolet Silverado?

Repair options may include replacing the control module, repairing any wiring issues, or addressing the underlying cause of the voltage reference problem.

8. How much does it cost to fix OBDII code C0870 on a 2018 Chevrolet Silverado?

Costs can vary depending on the specific repair needed, parts required, and labor rates in your area. It is advisable to obtain estimates from reputable auto repair shops.

9. Will resetting the OBDII code C0870 on my 2018 Chevrolet Silverado make it go away?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces.

10. How can I prevent OBDII code C0870 from recurring on my 2018 Chevrolet Silverado?

Regular vehicle maintenance, such as checking the battery health and monitoring electrical systems, can help prevent issues that may trigger the control module voltage reference code.