AutoCodes – Chevrolet – U1814 2016 Chevrolet Silverado

U1814 2016 Chevrolet Silverado Code - Powertrain Wake-Up Communication Circuit

Quick Answer

The Body Control Module (BCM) activates the ignition circuit, when the ignition key is in ACC, ON or START. Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module 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: U1814 2016 Chevrolet Silverado indicates Powertrain Wake-Up Communication Circuit.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module 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 237

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 21, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1814 2016 Chevrolet Silverado Description

The Body Control Module (BCM) activates the ignition circuit, when the ignition key is in ACC, ON or START. The ignition circuit wakes up the devices for serial data bus communication. The Diagnostic Trouble Code (DTC) will set when the BCM senses a short to ground on the ignition circuit.

OBDII Code U1814 2016 Chevrolet Silverado - Powertrain Wake-Up Communication Circuit - AutoCodes.com — U1814 2016 Chevrolet Silverado Code - Powertrain Wake-Up Communication Circuit

What does this mean?

What are the Possible Causes of the DTC U1814 2016 Chevrolet Silverado?

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

How to Fix the DTC U1814 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 U1814 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 U1814 2016 Chevrolet Silverado code?

Need more information on how to fix the U1814 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1814 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 U1814 2016 Chevrolet Silverado Code

1. What does the OBDII code U1814 on a 2016 Chevrolet Silverado mean?

The code U1814 indicates a fault in the Powertrain Wake-Up Communication Circuit of the vehicle.

2. What are the common symptoms of a U1814 trouble code in a 2016 Chevrolet Silverado?

Common symptoms of the U1814 code may include issues with starting the vehicle, intermittent loss of power, or problems with the transmission shifting.

3. What are the possible causes of the U1814 trouble code in a 2016 Chevrolet Silverado?

Possible causes of the U1814 code include a faulty Powertrain Control Module (PCM), damaged wiring or connectors in the communication circuit, or a malfunctioning sensor.

4. How can I diagnose the U1814 trouble code on my 2016 Chevrolet Silverado?

Diagnosing the U1814 code typically involves using a diagnostic scanner to retrieve the trouble codes, checking the wiring and connectors in the communication circuit, and testing the sensors for proper functioning.

5. Can I still drive my 2016 Chevrolet Silverado with a U1814 trouble code?

It is not recommended to drive the vehicle with an unresolved U1814 trouble code, as it may lead to further damage or safety hazards. It is best to address the issue promptly.

6. How can I repair the U1814 trouble code on my 2016 Chevrolet Silverado?

Repairing the U1814 code may involve replacing the faulty sensor, repairing damaged wiring or connectors, or reprogramming the PCM to resolve the communication circuit issue.

7. Is it possible to reset the U1814 trouble code on a 2016 Chevrolet Silverado without fixing the underlying issue?

While you can clear the trouble code with a diagnostic scanner, it is important to address the root cause of the problem to prevent the code from reoccurring.

8. Can a DIY enthusiast fix the U1814 trouble code on a 2016 Chevrolet Silverado?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the U1814 code. However, complex issues may require professional assistance.

9. How much does it cost to repair the U1814 trouble code on a 2016 Chevrolet Silverado?

The cost of repairing the U1814 code can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. It is recommended to obtain quotes from professional mechanics.

10. How can I prevent the U1814 trouble code from appearing on my 2016 Chevrolet Silverado in the future?

To prevent the U1814 trouble code from reoccurring, it is essential to perform regular maintenance on your vehicle, address any underlying issues promptly, and follow the manufacturer's recommended service schedule.