P2104

Throttle Actuator Control System - Forced Idle

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Reduced engine power
Engine speed limit
Check Engine Light Is On
The car goes into emergency mode
Acceleration problems

Causes

Throttle motor malfunction
Problems with throttle body wiring or connectors
Throttle Position Sensor Malfunction
Software error in the engine control unit
Mechanical damage to the throttle assembly

How to Fix

Check the condition of the throttle valve and its mechanical components
Diagnose the throttle motor
Check the integrity of wiring and connectors
Test throttle position sensors
If necessary, reflash or replace the control unit

Related codes

P2101 P2105 P2106