AutoCodes – Chevrolet – U2172 Chevrolet

U2172 Chevrolet Code - Lost Communication With Digital Radio Receiver

Quick Answer

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Digital Radio Receiver (DRR), Digital Radio Receiver harness is open or shorted, Digital Radio Receiver 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: U2172 Chevrolet indicates Lost Communication With Digital Radio Receiver.
Common causes: Common causes include Faulty Digital Radio Receiver (DRR), Digital Radio Receiver harness is open or shorted, Digital Radio Receiver 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 1,324

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 16, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2172 Chevrolet Description

Devices connected to the 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. A loss of serial data communications Diagnostic Trouble Code (DTC) does not represent a failure of the devices that contain the stored code. The DTC will set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U2172 Chevrolet - Lost Communication With Digital Radio Receiver - AutoCodes.com — U2172 Chevrolet Code - Lost Communication With Digital Radio Receiver

What does this mean?

What are the Possible Causes of the DTC U2172 Chevrolet?

Faulty Digital Radio Receiver (DRR)
Digital Radio Receiver harness is open or shorted
Digital Radio Receiver circuit poor electrical connection

How to Fix the DTC U2172 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 U2172 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 U2172 Chevrolet Code

1. What are the common symptoms of OBDII code U2172 in a Chevrolet related to lost communication with the digital radio receiver?

- Common symptoms may include a loss of audio from the radio, display screen issues, or difficulty controlling the radio functions.

2. What are the possible causes of OBDII code U2172 in a Chevrolet indicating lost communication with the digital radio receiver?

- Potential causes may include a faulty digital radio receiver, wiring issues, a blown fuse, or a malfunctioning control module.

3. How can I troubleshoot OBDII code U2172 in my Chevrolet if I suspect a problem with the digital radio receiver?

- Start by checking the fuse related to the radio system, inspecting the wiring connections, and ensuring the radio receiver is properly powered and grounded.

4. Is it possible to repair the lost communication with the digital radio receiver issue causing OBDII code U2172 in a Chevrolet myself?

- Depending on the exact cause, some repairs like checking and replacing fuses or fixing wiring connections may be possible for DIY enthusiasts. However, complex issues may require professional diagnosis and repair.

5. Can a disconnected or malfunctioning digital radio receiver cause other problems in my Chevrolet besides triggering OBDII code U2172?

- Yes, a faulty digital radio receiver may impact other vehicle systems that rely on the receiver for communication or control, such as the entertainment system or certain vehicle settings.

6. How can I prevent issues related to OBDII code U2172 in my Chevrolet linked to lost communication with the digital radio receiver?

- Regularly inspecting and maintaining the radio system, ensuring proper wiring connections, and addressing any warning signs promptly can help prevent such issues.

7. Are there any software updates or recalls from Chevrolet related to OBDII code U2172 and the digital radio receiver communication problem?

- It's recommended to check with your local Chevrolet dealership or service center to inquire about any software updates, recalls, or service bulletins related to this specific issue.

8. Can a software glitch or compatibility issue cause OBDII code U2172 in a Chevrolet due to lost communication with the digital radio receiver?

- Yes, in some cases, software glitches or incompatibility between the radio system and other vehicle components can lead to communication errors triggering this OBDII code.

9. Is it safe to continue driving my Chevrolet with OBDII code U2172 related to lost communication with the digital radio receiver?

- While the issue may not directly affect the drivability of the vehicle, it's essential to address communication problems promptly to prevent potential complications or further damage to the radio system.

10. How much does it typically cost to repair OBDII code U2172 in a Chevrolet caused by lost communication with the digital radio receiver?

- The cost of repairs can vary based on the exact cause of the issue and whether professional diagnostic services or replacement parts are needed. It's advisable to obtain estimates from qualified technicians or service centers.