P2176

Throttle Actuator A Control System - Idle Position Not Learned

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable idle speed
Dips during acceleration
Check Engine Light Illuminates
Reduced engine power
Increased fuel consumption

Causes

Throttle valve contamination
Throttle Position Sensor (TPS) malfunction
Problems with wiring or connectors
Throttle actuator malfunction
Problems with the engine control unit (ECU)

How to Fix

Cleaning the throttle body
Checking the throttle position sensor
Diagnostics of electrical circuit and connectors
Carrying out the throttle learning procedure
Replacement of faulty components if necessary

Related codes

P0120 P0121 P0220