AutoCodes – Suzuki – P2112 Suzuki

P2112 Suzuki Code - Throttle Actuator Control Throttle Valve Stuck Closed

Quick Answer

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve using gears. Common causes include Throttle Body Plate Binding, Faulty Throttle Actuator, Throttle Actuator harness is open or shorted. 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 Suzuki indicates Throttle Actuator Control Throttle Valve Stuck Closed.
Common causes: Common causes include Throttle Body Plate Binding, Faulty Throttle Actuator, Throttle Actuator harness is open or shorted.
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.

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Code Popularity 3,241

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2112 Suzuki Description

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve using gears. The opening angle of the throttle valve is detected by the throttle position sensor, which is mounted on the throttle body. The throttle position sensor provides feedback to the ECM to control the throttle actuator and set the throttle valve angle in response to driver inputs.

OBDII Code P2112 Suzuki - Throttle Actuator Control Throttle Valve Stuck Closed - AutoCodes.com — P2112 Suzuki Code - Throttle Actuator Control Throttle Valve Stuck Closed

What does this mean?

What are the Possible Causes of the DTC P2112 Suzuki?

Throttle Body Plate Binding
Faulty Throttle Actuator
Throttle Actuator harness is open or shorted
Throttle Actuator circuit poor electrical connection

How to Fix the DTC P2112 Suzuki?

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 Suzuki 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.

Need more information about the P2112 Suzuki code?

Need more information on how to fix the P2112 Suzuki code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2112 Suzuki Code

1. What does the OBDII code P2112 mean on a Suzuki?

P2112 indicates that the throttle actuator control system has detected the throttle valve is stuck in the closed position and cannot open as commanded.

2. What are the common symptoms of the P2112 code on a Suzuki?

Symptoms may include reduced engine power (limp mode), poor acceleration, unstable idle, the engine stalling, or the Check Engine Light being illuminated.

3. What causes the P2112 code to appear in a Suzuki?

Common causes include carbon buildup in the throttle body, a faulty throttle body, wiring or connector issues, a malfunctioning throttle actuator motor, or a failed engine control module (ECM).

4. Can I still drive my Suzuki with a P2112 code?

Driving with a P2112 code is not recommended, as the vehicle may experience reduced power or stalling, which could pose safety risks.

5. How do I fix the P2112 code on a Suzuki?

Start by cleaning the throttle body to remove any carbon buildup. If the issue persists, inspect the throttle actuator, wiring, and connectors. Replace faulty components if necessary.

6. Does the P2112 code always mean the throttle body is bad?

No, the issue could also be caused by electrical problems, such as damaged wiring or a malfunctioning throttle actuator, rather than the throttle body itself.

7. What tools are needed to diagnose and fix the P2112 code on a Suzuki?

You may need an OBDII scanner, a multimeter to check electrical connections, throttle body cleaner, and basic hand tools for removing and inspecting components.

8. How much does it cost to repair the P2112 code on a Suzuki?

Repair costs can vary. Cleaning the throttle body may cost little to nothing if done yourself, while replacing the throttle body or actuator can range from $200 to $600 or more, including parts and labor.

9. Can a dirty air filter cause the P2112 code on a Suzuki?

While a dirty air filter can restrict airflow, it is unlikely to directly cause the P2112 code. However, it can contribute to throttle body carbon buildup over time.

10. Will clearing the code with an OBDII scanner fix the P2112 issue?

Clearing the code may temporarily turn off the Check Engine Light, but the underlying issue must be resolved to prevent the code from reappearing.