P2112 Lexus 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 Lexus 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 Lexus 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 Lexus?
- 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 Lexus?
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 Lexus 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 Lexus Code
1. What are the common symptoms of OBDII code P2112 in a Lexus related to the Throttle Actuator Control System Stuck Closed?
- Common symptoms include reduced engine power, difficulty accelerating, and the vehicle going into limp mode.
2. What are the possible causes of the Throttle Actuator Control System Stuck Closed code P2112 in a Lexus?
- Possible causes include a faulty throttle body, issues with the throttle actuator control motor, wiring problems, or a malfunctioning electronic throttle control system.
3. How can I diagnose the Throttle Actuator Control System Stuck Closed code P2112 in my Lexus?
- Diagnosis typically involves using an OBDII scanner to read the code, inspecting the throttle body and related components for any visible damage, and testing the throttle actuator control motor.
4. Can I continue driving my Lexus with the P2112 code indicating the Throttle Actuator Control System Stuck Closed?
- It is not recommended to drive your Lexus with this code active, as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.
5. What repairs are typically needed to fix the Throttle Actuator Control System Stuck Closed code P2112 in a Lexus?
- Repairs may involve cleaning or replacing the throttle body, repairing or replacing the throttle actuator control motor, checking and repairing any damaged wiring, or recalibrating the electronic throttle control system.
6. Are there any DIY tips for addressing the P2112 code in a Lexus?
- While some basic inspections like checking for loose connections or cleaning the throttle body can be done by DIY enthusiasts, it is recommended to have a professional mechanic diagnose and repair the issue to ensure proper resolution.
7. How much does it usually cost to fix the Throttle Actuator Control System Stuck Closed code P2112 in a Lexus?
- The cost can vary depending on the exact cause of the issue, but repairs for this code typically range from $200 to $800, including parts and labor.
8. Can a Lexus dealership service department help with the P2112 code related to the Throttle Actuator Control System Stuck Closed?
- Yes, a Lexus dealership service department has the expertise and diagnostic tools to efficiently diagnose and repair the P2112 code in your vehicle.
9. How long does it take to repair the Throttle Actuator Control System Stuck Closed code P2112 in a Lexus?
- The repair time can vary based on the exact cause of the issue and the availability of parts. In general, the repair can take anywhere from a few hours to a full day.
10. Is the Throttle Actuator Control System Stuck Closed code P2112 a common issue in Lexus vehicles?
- While not extremely common, the P2112 code related to the Throttle Actuator Control System Stuck Closed can occur in Lexus vehicles, especially in older models or those with high mileage.
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