🔧 FixIt

U3524: High Voltage System Interlock Circuit F High

What Does U3524 Mean?

U3524 is a diagnostic trouble code indicating: High Voltage System Interlock Circuit F 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

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 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

U3519 High Voltage System Interlock Circuit D U3520 High Voltage System Interlock Circuit E High U3521 High Voltage System Interlock Circuit F U3522 High Voltage System Interlock Circuit F Performance U3523 High Voltage System Interlock Circuit F Low U3525 High Voltage System Interlock Circuit G U3526 High Voltage System Interlock Circuit G Performance U3527 High Voltage System Interlock Circuit G Low