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U3019: Control Module Input Power Circuit B/C Correlation

System
Vehicle Systems

What Does U3019 Mean?

U3019 is a diagnostic trouble code indicating: Control Module Input Power Circuit B/C Correlation. 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

U3014 Control Module Input Power D Circuit/Open U3015 Control Module Ground C U3016 Control Module Ground D U3017 Control Module Timer/Clock Performance U3018 Control Module Input Power Circuit A/B Correlation U3020 Control Module Wake-up Circuit B High U3021 Control Module Wake-up Circuit B Performance U3022 Ignition Input Accessory/Off