U184A 2016 GMC Sierra Code - Lost Communication with Body Control Module on Low Speed CAN Bus
Quick Answer
The serial data circuit is the means by which the devices in the vehicle communicate with each other. 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
- U184A 2016 GMC Sierra indicates Lost Communication with Body Control Module on Low Speed CAN Bus.
- 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.
Code U184A 2016 GMC Sierra Description
What are the Possible Causes of the DTC U184A 2016 GMC Sierra?
- 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 U184A 2016 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 U184A 2016 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 U184A 2016 GMC Sierra code?
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Frequently Asked Questions about U184A 2016 GMC Sierra Code
What does the OBDII code U184A mean for a 2016 GMC Sierra?
U184A indicates a lost communication issue with the Body Control Module (BCM) over the Low Speed Controller Area Network (CAN) bus.
What are common symptoms associated with the U184A code?
Common symptoms include malfunctioning lights, issues with door locks, problems with the power windows, and other electronic features not responding.
What could cause the U184A code to trigger?
Possible causes include a faulty Body Control Module, damaged wiring or connectors in the CAN bus, or problems with other modules affecting communication.
How can I diagnose the U184A code?
To diagnose U184A, inspect the wiring and connectors for damage, check for other related codes, and test the Body Control Module's functionality.
Are there any quick fixes for the U184A code?
A quick fix may include resetting the code and checking for loose or corroded connections. If the issue persists, further diagnosis is needed.
What should I do if I see the U184A code?
It's recommended to perform a thorough inspection of the BCM and CAN bus wiring. If you are not comfortable doing this, consider taking the vehicle to a professional mechanic.
Can I drive my 2016 GMC Sierra with the U184A code?
While you may be able to drive, it's advisable to address the U184A code promptly, as it can affect the functionality of essential electronic systems.
What tools do I need to troubleshoot the U184A code?
You'll need an OBDII scanner to read codes, a multimeter for electrical testing, and possibly wiring diagrams for the vehicle's electrical system.
Is it necessary to replace the Body Control Module when dealing with U184A?
Not necessarily. The BCM may only need repairs or reprogramming, but replacement could be required if it is confirmed to be faulty.
Discuss the causes and fixes for U184A 2016 GMC Sierra OBDII Code
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