U182A 2017 GMC Sierra 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 2017 GMC Sierra 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.
Code U182A 2017 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when a supervised periodic message that includes the transmitter device availability has not been received.
What are the Possible Causes of the DTC U182A 2017 GMC Sierra?
- 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 2017 GMC Sierra?
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 2017 GMC Sierra 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 2017 GMC Sierra code?
Need more information on how to fix the U182A 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U182A 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U182A 2017 GMC Sierra Code
1. What does the OBDII code U182A mean on a 2017 GMC Sierra?
The U182A code indicates a loss of communication between the Hybrid Powertrain Control Module and the Battery Energy Control Module on the Powertrain Expansion CAN Bus.
2. What are the common symptoms of the U182A code on a 2017 GMC Sierra?
Symptoms may include a check engine light, reduced power mode, poor fuel efficiency, or difficulty starting the vehicle.
3. What causes the U182A code on a 2017 GMC Sierra?
Common causes include faulty wiring or connectors in the CAN Bus network, a malfunctioning Hybrid Powertrain Control Module, or a defective Battery Energy Control Module.
4. Can the U182A code be triggered by a dead or weak battery?
Yes, a weak or dead vehicle battery can cause communication issues and trigger the U182A code.
5. How do you diagnose the U182A code on a 2017 GMC Sierra?
Diagnosis involves checking the CAN Bus wiring for damage, inspecting connectors for corrosion or loose pins, and testing the modules for proper functionality using a scan tool.
6. Can the U182A code clear on its own?
The code may clear temporarily if the issue is intermittent, but it will likely return if the underlying problem is not addressed.
7. How much does it cost to repair the U182A code on a 2017 GMC Sierra?
Repair costs vary but typically range from $150 to $500, depending on whether it involves wiring repairs, module replacement, or reprogramming.
8. Is it safe to drive a 2017 GMC Sierra with the U182A code?
Driving with this code may result in reduced power mode or other drivability issues, so it’s best to address the problem promptly.
9. Can software updates fix the U182A code?
In some cases, reprogramming or updating the software in the control modules can resolve communication errors like the U182A code.
10. Should both the Hybrid Powertrain Control Module and Battery Energy Control Module be replaced for the U182A code?
Not necessarily. Proper diagnosis is essential to determine which module or component is causing the issue before replacing any parts.
Discuss the causes and fixes for U182A 2017 GMC Sierra OBDII Code
Code U182A 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
