U3514: High Voltage System Interlock Circuit B High
System
Vehicle Systems
What Does U3514 Mean?
U3514 is a diagnostic trouble code indicating: High Voltage System Interlock Circuit B High. This code relates to the vehicle systems 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
U3509
Control Module Input Power C Circuit Low
U3510
Control Module Missing Calibration
U3511
High Voltage System Interlock Circuit B
U3512
High Voltage System Interlock Circuit B Performance
U3513
High Voltage System Interlock Circuit B Low
U3515
High Voltage System Interlock Circuit C
U3516
High Voltage System Interlock Circuit C Performance
U3517
High Voltage System Interlock Circuit C Low