P2104

Throttle Actuator Control System - Forced Idle

Powertrain Code · Critical

What does P2104 mean?

The ECM has forced the engine to idle due to a throttle control system malfunction.

System: Throttle

P2104 is a powertrain diagnostic trouble code indicating throttle actuator control system - forced idle. This code is classified as critical severity, which means: stop driving — risk of damage or safety hazard.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.