Engine-CodesChevrolet – C0890 2017 Chevrolet Silverado

C0890 2017 Chevrolet Silverado Code - Control Module Voltage Reference Output 3 Circuit

Quick Answer

The C0890 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado relates to the Control Module Voltage Reference Output 3 Circuit. Common causes include Faulty Control Module: The control module itself may be malfunctioning, causing issues with the voltage reference output, Wiring Issues: Damaged or corroded wiring connections can disrupt the flow of voltage to the control module, Sensor Malfunction: A faulty sensor that provides input to the control module may lead to incorrect voltage references. 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
C0890 2017 Chevrolet Silverado indicates Control Module Voltage Reference Output 3 Circuit.
Common causes
Common causes include Faulty Control Module: The control module itself may be malfunctioning, causing issues with the voltage reference output, Wiring Issues: Damaged or corroded wiring connections can disrupt the flow of voltage to the control module, Sensor Malfunction: A faulty sensor that provides input to the control module may lead to incorrect voltage references.
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 14, 2024
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Code C0890 2017 Chevrolet Silverado Description

The C0890 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado relates to the Control Module Voltage Reference Output 3 Circuit. This code indicates that there is a malfunction in the circuit responsible for providing a stable voltage reference to various components within the vehicle's control module system. The control module relies on accurate voltage references to ensure proper operation of critical systems such as engine management, transmission control, and emissions control.

OBDII Code C0890 2017 Chevrolet Silverado - Control Module Voltage Reference Output 3 Circuit
C0890 2017 Chevrolet Silverado Code - Control Module Voltage Reference Output 3 Circuit

Common Causes of C0890 2017 Chevrolet Silverado

  1. Faulty Control Module: The control module itself may be malfunctioning, causing issues with the voltage reference output.
  2. Wiring Issues: Damaged or corroded wiring connections can disrupt the flow of voltage to the control module.
  3. Sensor Malfunction: A faulty sensor that provides input to the control module may lead to incorrect voltage references.
  4. Power Supply Problems: Issues with the vehicle's power supply, such as a weak battery or alternator, can affect voltage stability.
  5. Environmental Factors: Exposure to moisture, heat, or other environmental conditions can degrade the circuit components over time.

Symptoms of C0890 2017 Chevrolet Silverado

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
  2. Erratic Engine Performance: The vehicle may experience rough idling, stalling, or hesitation during acceleration due to incorrect voltage references affecting engine management.
  3. Transmission Issues: Shift quality may be compromised, leading to harsh shifting, slipping, or failure to engage gears properly.
  4. Electrical Malfunctions: Various electrical components such as power windows, door locks, or lights may exhibit erratic behavior or fail to function altogether.
  5. Reduced Fuel Efficiency: Incorrect voltage references can impact fuel delivery and combustion efficiency, resulting in decreased fuel economy.

How to Fix C0890 2017 Chevrolet Silverado

  1. Diagnostic Testing: Begin by using a diagnostic scanner to retrieve the trouble codes and perform a thorough inspection of the control module voltage reference circuit.
  2. Check Wiring and Connections: Inspect all wiring connections related to the circuit for damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test Sensors: Check the sensors that provide input to the control module for proper operation. Replace any faulty sensors.
  4. Replace Control Module: If the control module itself is determined to be faulty, it may need to be replaced to restore proper voltage reference output.
  5. Clear Codes and Test Drive: After completing the repairs, clear the trouble codes from the vehicle's memory and test drive to ensure that the symptoms have been resolved.

Cost to Fix C0890 2017 Chevrolet Silverado

The typical repair costs for addressing a C0890 code on a 2017 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

Tech Notes for C0890 2017 Chevrolet Silverado

C0890:03 Control Module Voltage Reference Output 3 Circuit Low Voltage

C0890:07 Control Module Voltage Reference Output 3 Circuit High Voltage

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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 C0890 2017 Chevrolet Silverado Code

1. What does the OBDII code C0890 mean for a 2017 Chevrolet Silverado?

C0890 indicates an issue with the Control Module Voltage Reference Output 3 Circuit, suggesting a problem with the voltage reference signal provided to certain vehicle sensors.

2. What are the common symptoms of code C0890 in a 2017 Chevrolet Silverado?

Symptoms may include warning lights on the dashboard (ABS, traction control, or stability control), erratic sensor readings, or potential drivability issues like reduced engine performance.

3. What causes the C0890 code to appear in a 2017 Chevrolet Silverado?

Common causes include a short or open circuit in the voltage reference circuit, a faulty control module, damaged wiring, or corrosion in electrical connectors.

4. How do you diagnose code C0890 in a 2017 Chevrolet Silverado?

Diagnosis involves using a scan tool to confirm the code, inspecting the wiring and connectors in the affected circuit, and testing the voltage reference signal with a multimeter.

5. Can driving with code C0890 damage my 2017 Chevrolet Silverado?

While it may still be drivable, the code can affect the performance of critical systems like ABS or stability control, potentially compromising safety.

6. How do you fix the C0890 code on a 2017 Chevrolet Silverado?

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

7. How much does it cost to fix the C0890 code on a 2017 Chevrolet Silverado?

Repair costs vary depending on the issue but typically range from $100 to $500, with higher costs if the control module needs replacement.

8. Can low battery voltage cause the C0890 code on a 2017 Chevrolet Silverado?

Yes, low battery voltage or charging system issues can potentially trigger this code, as they may disrupt the voltage reference circuit.

9. Is the C0890 code related to the ABS or traction control system?

Yes, the code can directly impact systems like ABS, traction control, or stability control, as they rely on accurate voltage reference signals.

10. Can I clear the C0890 code without fixing the problem?

Clearing the code without addressing the underlying issue may result in the code returning and could lead to further drivability or safety concerns.

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