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P0623: Generator Lamp Control Circuit

System
Computer and Output Circuits

What Does P0623 Mean?

P0623 is a diagnostic trouble code indicating: Generator Lamp Control Circuit. This code relates to the computer and output circuits 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

P0618 Alternative Fuel Control Module KAM Error P0619 Alternative Fuel Control Module RAM/ROM Error P0620 Generator Control Circuit P0621 Generator Lamp/L Terminal Circuit P0622 Generator Field/F Terminal Circuit P0624 Fuel Cap Lamp Control Circuit P0625 Generator Field/F Terminal Low P0626 Generator Field/F Terminal High