AutoCodes – Chevrolet – C0890 2014 Chevrolet Silverado

C0890 2014 Chevrolet Silverado Code - Control Module Voltage Reference Output 3 Circuit

Quick Answer

The brake pedal position sensor is used to sense the action of the driver's application of the brake pedal. Common causes include Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted, Brake Pedal Position Sensor 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: C0890 2014 Chevrolet Silverado indicates Control Module Voltage Reference Output 3 Circuit.
Common causes: Common causes include Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted, Brake Pedal Position Sensor 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.

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Code Popularity 396

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 05, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C0890 2014 Chevrolet Silverado Description

The brake pedal position sensor is used to sense the action of the driver's application of the brake pedal. The brake pedal position sensor provides an analog voltage signal that will increase as the brake pedal is applied. The Body Control Module (BCM) provides a low reference signal and a 5 V reference voltage to the brake pedal position sensor. When the variable signal reaches a voltage threshold indicating the brakes have been applied, the BCM will apply battery voltage to the left and right stop lamp control circuits as well as the center high-mounted stop lamp relay control circuit illuminating the left and right stop lamps and the center high mounted stop lamp. The Diagnostic Trouble Code (DTC) will be set when the BCM detects an improper voltage in the brake pedal position sensor 5 V reference circuit.

OBDII Code C0890 2014 Chevrolet Silverado - Control Module Voltage Reference Output 3 Circuit - AutoCodes.com — C0890 2014 Chevrolet Silverado Code - Control Module Voltage Reference Output 3 Circuit

What does this mean?

What are the Possible Causes of the DTC C0890 2014 Chevrolet Silverado?

Faulty Brake Pedal Position Sensor
Brake Pedal Position Sensor harness is open or shorted
Brake Pedal Position Sensor circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC C0890 2014 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 does this mean?

Code Tech Notes

C0890:03 Control Module Voltage Reference Output 3 Circuit Low Voltage
C0890:07 Control Module Voltage Reference Output 3 Circuit High Voltage

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0890 2014 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 C0890 2014 Chevrolet Silverado code?

Need more information on how to fix the C0890 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 2014 Chevrolet Silverado Code

1. What does the OBDII code C0890 mean on a 2014 Chevrolet Silverado?

C0890 indicates an issue with the Control Module Voltage Reference Output 3 Circuit, which typically involves a malfunction in the voltage supply to certain sensors or components.

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

Common symptoms include warning lights on the dashboard (like the check engine light or ABS light), erratic sensor readings, or impaired performance of systems reliant on the affected circuit.

3. What causes the C0890 code to appear?

Potential causes include a faulty control module, wiring issues (such as shorts or open circuits), corroded connectors, or a damaged sensor on the Voltage Reference Output 3 Circuit.

4. Can I drive my 2014 Chevy Silverado with the C0890 code active?

While the vehicle may still be operable, driving with this code active can lead to unreliable sensor readings or compromised system performance. It's best to diagnose and repair the issue promptly.

5. How do I diagnose the C0890 code on my Silverado?

Start by inspecting the wiring and connectors for damage or corrosion. Use a multimeter to check for proper voltage on the Voltage Reference Output 3 Circuit and scan for related codes that may provide additional clues.

6. What components are typically affected by the Voltage Reference Output 3 Circuit?

This circuit may supply voltage to various sensors or modules, such as the fuel pressure sensor, throttle position sensor, or ABS system components, depending on the vehicle configuration.

7. How can I fix the C0890 code on my 2014 Chevy Silverado?

Repairs may involve replacing damaged wiring, cleaning corroded connectors, or replacing a faulty sensor or control module. Ensure all components are tested before replacing them.

8. Does the C0890 code require a control module replacement?

Not always. While a faulty control module can cause this code, the issue is often related to wiring or connector problems. Verify the module's functionality before replacing it.

9. What tools are needed to diagnose and repair the C0890 code?

You'll need an OBDII scanner, a multimeter, and basic hand tools. A wiring diagram specific to your Silverado is also helpful for tracing the circuit.

10. How much does it cost to fix the C0890 code on a Chevy Silverado?

Repair costs vary depending on the issue. Wiring repairs or connector cleaning are inexpensive, but replacing a control module or sensor can cost several hundred dollars. Always get an accurate diagnosis before proceeding with repairs.