P2112Throttle Actuator Control

Throttle Actuator Control System - Stuck Closed

P2112 means the throttle actuator control system detected the throttle plate stuck in a closed position when it should be opening, so the engine cannot get the airflow it needs.

🚗 No. A throttle stuck closed leaves the engine unable to make power.

HIGH

severity

🎯 Top Causes, Ranked by Likelihood

#1Sticking or seized throttle plate$150-$600

40%

Carbon buildup or a bind holds the plate closed.

#2Failed throttle actuator motor$150-$600

30%

A dead motor cannot open the throttle plate.

#3Wiring or connector fault$50-$300

20%

Open circuits prevent the motor from opening the plate.

#4ECM control fault$200-$1200

10%

A control issue leaves the throttle commanded closed.

🩺 Common Symptoms

Engine will not rev / no power
Reduced power / limp mode
Check engine light
Stalling
No throttle response

💰 Repair Cost: DIY vs Shop

DIY Cost

$60-$600

Shop Cost

$200-$900

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2112

1Inspect the throttle body for a stuck or carboned plate

2Test the throttle actuator motor for operation

3Read live data comparing commanded vs actual position

4Clean or replace the throttle body, then relearn idle

❓ Frequently Asked Questions

Can I drive with a P2112 code?

No. A stuck-closed throttle leaves the engine unable to make power and often stalls.

How much does it cost to fix P2112?

A throttle body replacement typically runs $200-$900 at a shop.

What causes P2112?

Usually carbon buildup, a binding plate, or a failed throttle actuator motor.

🔗 Related Codes

P2111P2110P2100P2135P2101