What Does U0192 Mean?
Communication has been lost between the vehicle's network and a personal computer module or interface. This typically relates to integrated PC systems in some luxury or commercial vehicles.
Common Causes
35%
Computer module internal hardware failure
30%
Network wiring or connector damage to PC module
20%
Software corruption or operating system crash
10%
Power supply failure to computer module
5%
CAN bus communication fault
Diagnostic Steps
1
Step 1: Verify power and ground at PC module connector using multimeter
2
Step 2: Inspect all connectors and wiring to PC module for physical damage or corrosion
3
Step 3: Check if PC module boots up independently and responds to direct interface attempts
4
Step 4: Monitor CAN bus signals at module connector with oscilloscope or scan tool
5
Step 5: Attempt module reset or software reflash if hardware tests pass
Estimated Repair Cost
$200 - $2,000
Parts + labor, varies by vehicle and location
Communication has been lost between the vehicle's network and a personal computer module or interface. This typically relates to integrated PC systems in some luxury or commercial vehicles.
The most common cause of U0192 (Lost Communication With Personal Computer) is: Computer module internal hardware failure
Typical repair costs for U0192 range from $200 to $2,000, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No safety concerns as this is a convenience feature. Does not affect vehicle operation or safety systems.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0192 to identify the root cause.
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Quick Info
Category
Network
System
Telematics/Computer System
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
