AutoCodes – Suzuki – P1511 Suzuki

P1511 Suzuki Code - Main Throttle Actuator Circuit Malfunction

Quick Answer

P1511 Suzuki indicates Main Throttle Actuator Circuit Malfunction. Common causes include Faulty Main Throttle Actuator (MTIA), Main Throttle Actuator harness is open or shorted, Main Throttle Actuator circuit poor electrical connection. 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
P1511 Suzuki indicates Main Throttle Actuator Circuit Malfunction.
Common causes
Common causes include Faulty Main Throttle Actuator (MTIA), Main Throttle Actuator harness is open or shorted, Main Throttle Actuator circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,429
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 26, 2019
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Code P1511 Suzuki Description

OBDII Code P1511 Suzuki - Main Throttle Actuator Circuit Malfunction - AutoCodes.com
P1511 Suzuki Code - Main Throttle Actuator Circuit Malfunction

What are the Possible Causes of the DTC P1511 Suzuki?

  • Faulty Main Throttle Actuator (MTIA)
  • Main Throttle Actuator harness is open or shorted
  • Main Throttle Actuator circuit poor electrical connection

How to Fix the DTC P1511 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 P1511 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 P1511 Suzuki code?

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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 P1511 Suzuki Code

What does the OBDII code P1511 mean for a Suzuki vehicle?

The OBDII code P1511 indicates a malfunction in the Main Throttle Actuator Circuit, which controls the throttle position in the engine.

What are common symptoms of the P1511 code?

Common symptoms include poor acceleration, rough idling, reduced engine power, and a check engine light illumination.

What could cause the P1511 code to trigger?

Possible causes include a faulty throttle actuator, damaged wiring or connectors, vacuum leaks, or issues with the engine control module (ECM).

How can I diagnose the P1511 code?

To diagnose the P1511 code, use an OBDII scanner to confirm the code, visually inspect the throttle actuator and wiring, and check for any additional codes that may indicate related issues.

What repairs are typically needed for the P1511 code?

Repairs may involve replacing a faulty throttle actuator, repairing damaged wiring or connectors, fixing vacuum leaks, or reprogramming/updating the ECM if necessary.

Can I drive my Suzuki with the P1511 code?

While it may be possible to drive the vehicle, it is not recommended, as it can lead to reduced performance and potential damage to the engine or transmission.

How can I reset the P1511 code after repairs?

You can reset the P1511 code by using an OBDII scanner to clear the codes, or by disconnecting the battery for a short period, although the latter may reset other settings.

Is the P1511 code serious?

Yes, the P1511 code can be serious as it affects engine performance and drivability, so it is advisable to address it promptly.

What is the cost to repair the P1511 code?

Repair costs can vary widely, ranging from $100 to $600 or more, depending on whether you need to replace the throttle actuator or perform other repairs.

Discuss the causes and fixes for P1511 Suzuki OBDII Code

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