P2112 Scion Code - Throttle Actuator Control System Stuck Closed
Quick Answer
The throttle actuator is operated by the Engine Control Module (ECM) and opens and closes the throttle valve using gears. Common causes include Dirty throttle body, Faulty Throttle Actuator, Throttle Actuator harness is open. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2112 Scion indicates Throttle Actuator Control System Stuck Closed.
- Common causes
- Common causes include Dirty throttle body, Faulty Throttle Actuator, Throttle Actuator harness is open.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2112 Scion Description
The ECM determines that there is a malfunction in the Electronic Throttle Control System (ETCS) when the throttle valve remains at a fixed angle despite a high drive current from the ECM. The ECM illuminates the MIL and stores a Diagnostic Trouble Code (DTC).
What are the Possible Causes of the DTC P2112 Scion?
- Dirty throttle body
- Faulty Throttle Actuator
- Throttle Actuator harness is open
- Throttle Actuator circuit poor electrical connection
- Faulty Throttle with Motor Body Assembly
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2112 Scion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2112 Scion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2112 Scion Code
What does the OBDII code P2112 mean for a Scion?
P2112 indicates that the Throttle Actuator Control System is stuck in the closed position, preventing proper airflow into the engine.
What are the symptoms of a P2112 code in a Scion?
Common symptoms include reduced engine performance, poor acceleration, the engine stalling, or the vehicle entering "limp mode."
What causes the P2112 code to appear on a Scion?
Possible causes include a malfunctioning throttle body, a stuck throttle plate, a damaged throttle position sensor, wiring issues, or a faulty powertrain control module (PCM).
Can I drive my Scion with a P2112 code?
Driving with this code is not recommended, as it can result in unpredictable performance, unsafe driving conditions, or further damage to the throttle system.
How is the P2112 code diagnosed?
A technician will check the throttle actuator, inspect wiring and connectors, and use a scan tool to monitor throttle position sensor data and actuator behavior.
What repairs are typically needed to fix a P2112 code?
Repairs may include cleaning or replacing the throttle body, fixing wiring or connector issues, or replacing the throttle position sensor or throttle actuator motor.
How much does it cost to repair a P2112 code on a Scion?
Repair costs vary but typically range from $200 to $600 or more, depending on whether the throttle body or other components need replacement.
Can cleaning the throttle body fix a P2112 code?
Yes, if carbon buildup is causing the throttle plate to stick, cleaning the throttle body may resolve the issue.
Does a P2112 code always mean the throttle body needs replacing?
No, the issue could also be due to wiring problems, a faulty throttle position sensor, or a failing PCM.
How can I prevent the P2112 code from recurring in my Scion?
Regular maintenance, such as cleaning the throttle body and inspecting wiring connections, can help prevent throttle actuator issues.
Discuss the causes and fixes for P2112 Scion OBDII Code
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