AutoCodes – Chevrolet – U182A 2014 Chevrolet Silverado

U182A 2014 Chevrolet Silverado Code - Hybrid Powertrain Control Module Lost Communication with Battery Energy Control Module on Powertrain Expansion CAN Bus Malfunction

Quick Answer

Devices connected to the powertrain high-speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Starter/Generator Control Module, Starter/Generator Control Module harness is open or shorted, Starter/Generator 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
U182A 2014 Chevrolet Silverado indicates Hybrid Powertrain Control Module Lost Communication with Battery Energy Control Module on Powertrain Expansion CAN Bus Malfunction.
Common causes
Common causes include Faulty Starter/Generator Control Module, Starter/Generator Control Module harness is open or shorted, Starter/Generator 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 340
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 24, 2023
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Code U182A 2014 Chevrolet Silverado Description

Devices connected to the powertrain high-speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device.
The Diagnostic Trouble Code (DTC) will be set when a supervised periodic message that includes the transmitter device availability has not been received.
OBDII Code U182A 2014 Chevrolet Silverado - Hybrid Powertrain Control Module Lost Communication with Battery Energy Control Module on Powertrain Expansion CAN Bus Malfunction - AutoCodes.com
U182A 2014 Chevrolet Silverado Code - Hybrid Powertrain Control Module Lost Communication with Battery Energy Control Module on Powertrain Expansion CAN Bus Malfunction

What are the Possible Causes of the DTC U182A 2014 Chevrolet Silverado?

  • Faulty Starter/Generator Control Module
  • Starter/Generator Control Module harness is open or shorted
  • Starter/Generator Control Module circuit poor electrical connection
  • Faulty Battery Energy Control Module

How to Fix the DTC U182A 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U182A 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 U182A 2014 Chevrolet Silverado code?

Need more information on how to fix the U182A 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 U182A 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U182A in a 2014 Chevrolet Silverado Hybrid?

- Common symptoms include loss of power, decreased fuel efficiency, and potential issues with hybrid system performance.

2. What does the OBDII code U182A mean for a 2014 Chevrolet Silverado Hybrid?

- The code indicates a communication problem between the Hybrid Powertrain Control Module and the Battery Energy Control Module on the Powertrain Expansion CAN Bus.

3. What are the possible causes of code U182A in a 2014 Chevrolet Silverado Hybrid?

- Potential causes include faulty wiring connections, damaged control modules, software issues, or a malfunction within the hybrid powertrain system.

4. How can I diagnose OBDII code U182A in my 2014 Chevrolet Silverado Hybrid?

- Diagnosis involves using a scan tool to communicate with the affected modules, checking for related trouble codes, and performing a thorough inspection of the hybrid system components.

5. Can I continue driving my 2014 Chevrolet Silverado Hybrid with code U182A?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety risks. Seek professional assistance for diagnosis and repair.

6. How can I fix OBDII code U182A in my 2014 Chevrolet Silverado Hybrid?

- Repair options may include checking and repairing wiring connections, updating software, replacing faulty modules, or addressing any underlying issues with the hybrid powertrain system.

7. Is it possible to reset the code U182A in a 2014 Chevrolet Silverado Hybrid without fixing the underlying issue?

- While clearing the code temporarily may be possible, it is crucial to address the root cause to prevent the code from reappearing and ensure proper functioning of the hybrid system.

8. How much does it typically cost to repair OBDII code U182A in a 2014 Chevrolet Silverado Hybrid?

- Repair costs can vary depending on the extent of the issue, parts needed for replacement, and labor rates. It is advisable to consult a professional for an accurate estimate.

9. Can a DIY enthusiast with automotive knowledge fix code U182A in a 2014 Chevrolet Silverado Hybrid?

- While some basic troubleshooting and repairs may be possible for DIY enthusiasts, dealing with complex hybrid systems and control modules may require specialized skills and equipment best left to professionals.

10. How can I prevent OBDII code U182A from appearing in my 2014 Chevrolet Silverado Hybrid in the future?

- Regular maintenance, timely servicing, and addressing any related trouble codes promptly can help prevent the recurrence of code U182A and ensure the efficient operation of the hybrid powertrain system.

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