AutoCodes – Chevrolet – U180C Chevrolet

U180C Chevrolet Code - Battery Charger Control Module High Speed CAN Bus Off

Quick Answer

Modules connected to the Controller Area Network (CAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Battery Charger Control Module, Battery Charger Control Module harness is open or shorted, Battery Charger 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: U180C Chevrolet indicates Battery Charger Control Module High Speed CAN Bus Off.
Common causes: Common causes include Faulty Battery Charger Control Module, Battery Charger Control Module harness is open or shorted, Battery Charger 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 650

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 Jun 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U180C Chevrolet Description

Modules connected to the Controller Area Network (CAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be exchanged on the serial data circuits. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. Each message contains the identification number of the transmitter module. A module with a CAN serial data circuits malfunction or which loses power during the current ignition cycle will have a Loss of Communication Diagnostic Trouble Code (DTC) set by other modules that depend on information from that failed module. If any of the CAN circuit are shorted to battery voltage, ground, or between them no communication is possible on the CAN serial data bus, a Diagnostic Trouble Code will set.

OBDII Code U180C Chevrolet - Battery Charger Control Module High Speed CAN Bus Off - AutoCodes.com — U180C Chevrolet Code - Battery Charger Control Module High Speed CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U180C Chevrolet?

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

How to Fix the DTC U180C Chevrolet?

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 U180C Chevrolet 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.

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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 U180C Chevrolet Code

1. What are the common symptoms of OBDII code U180C in a Chevrolet related to the Battery Charger Control Module High Speed CAN Bus Off?

The common symptoms include issues with charging the battery, warning lights on the dashboard related to the charging system, and potential issues with starting the vehicle.

2. What are the possible causes of the U180C code in a Chevrolet?

Possible causes of this code include a faulty battery charger control module, damaged wiring or connectors in the CAN bus system, or issues with the power supply to the module.

3. How can I diagnose the U180C code in my Chevrolet related to the Battery Charger Control Module High Speed CAN Bus Off?

Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking the battery charger control module for proper operation, inspecting the CAN bus wiring for damage, and testing the power supply to the module.

4. Can I still drive my Chevrolet with the U180C code present?

It is not recommended to drive the vehicle with this code present, as it can lead to potential issues with the charging system and starting the vehicle. It is best to address the problem promptly.

5. How can I repair the U180C code in my Chevrolet?

Repairing this code may involve replacing the battery charger control module, repairing any damaged wiring or connectors in the CAN bus system, or addressing any power supply issues to the module.

6. Are there any DIY tips for fixing the U180C code in a Chevrolet?

While some basic troubleshooting like checking for loose connections or damaged wiring can be done as a DIY approach, it is recommended to consult a professional for proper diagnosis and repair of the U180C code.

7. Is the U180C code specific to Chevrolet vehicles only?

The U180C code related to the Battery Charger Control Module High Speed CAN Bus Off may be specific to Chevrolet vehicles, but similar codes and issues can be found in other vehicle makes and models as well.

8. How much does it typically cost to repair the U180C code in a Chevrolet?

The cost of repairing the U180C code can vary depending on the specific issue causing the code, the labor rates in your area, and whether any parts need to be replaced. It is best to get a diagnostic and repair estimate from a trusted mechanic.

9. Can the U180C code in a Chevrolet be triggered by a drained battery?

A drained battery can potentially trigger the U180C code if it leads to issues with the battery charger control module or the CAN bus system. Ensuring the battery is properly charged is an important step in troubleshooting this code.

10. Is the U180C code in a Chevrolet a serious issue?

While the U180C code may not always indicate a critical problem, it should be addressed promptly to prevent potential issues with the charging system and starting the vehicle. Ignoring the code can lead to more severe problems down the line.