U0072: Vehicle Communication Bus E (-) shorted to Bus E (+)
System
Network Communication
What Does U0072 Mean?
U0072 is a diagnostic trouble code indicating: Vehicle Communication Bus E (-) shorted to Bus E (+). This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
What To Do Next
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.
Related Codes
U0067
Vehicle Communication Bus E (+) Low
U0068
Vehicle Communication Bus E (+) High
U0069
Vehicle Communication Bus E (-) Open
U0070
Vehicle Communication Bus E (-) Low
U0071
Vehicle Communication Bus E (-) High
U0073
Control Module Communication Bus A Off
U0074
Control Module Communication Bus B Off
U0075
Control Module Communication Bus C Off