Severity
High
Can I keep driving?
Avoid extended driving; visit a service soon.
How is this code read?
This is a standard OBD-II code; any basic scanner reads it on vehicles built after 2004.
P0804 is a Powertrain (engine, transmission, fuel system) fault code. It indicates: 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction . This is a standardised OBD-II code. The technical definition is the same regardless of the make or model of vehicle, although specific causes and symptoms can vary between vehicles.
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.
