AutoCodes – Generic – P2106

P2106 Code - Throttle Actuator Control System - Forced Limited Power

Quick Answer

The Throttle Actuator Control (TAC) system uses vehicle electronics and components to calculate and control the position of the throttle blade. Common causes include Faulty Throttle Actuator Control (TAC), Throttle Actuator Control (TAC) harness is open or shorted, Throttle Actuator Control (TAC) 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
P2106 indicates Throttle Actuator Control System - Forced Limited Power.
Common causes
Common causes include Faulty Throttle Actuator Control (TAC), Throttle Actuator Control (TAC) harness is open or shorted, Throttle Actuator Control (TAC) 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 32,839
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2106 Description

The Throttle Actuator Control (TAC) system uses vehicle electronics and components to calculate and control the position of the throttle blade. This eliminates the need for a mechanical cable attachment from the accelerator pedal to the throttle body. This system also performs the cruise control functions as well.

The TAC system components include, but are not limited to the following:

- The accelerator pedal position (APP) sensors
- The throttle body
- The Powertrain Control Module (PCM)

Each of these components interface together to ensure accurate calculations and control of the throttle position (TP).

Throttle Body Assembly

The throttle body for the throttle actuator control (TAC) system is similar to a conventional throttle body with several exceptions. One exception being the use of a motor to control the throttle position instead of a mechanical cable. Another exception is the throttle position (TP) sensor. The TP sensor is mounted in the throttle body assembly. The TP sensor is 2 individual TP sensors within the throttle body assembly. Two separate signal, low reference, and 5-volt reference circuits are used to connect the TP sensors and the Powertrain Control Module (PCM). TP sensor 2 signal voltage increases as the throttle opens. TP sensor 1 signal voltage decreases as the throttle opens.
OBDII Code P2106 - Throttle Actuator Control System - Forced Limited Power - AutoCodes.com
P2106 Code - Throttle Actuator Control System - Forced Limited Power

What are the Possible Causes of the DTC P2106?

  • Faulty Throttle Actuator Control (TAC)
  • Throttle Actuator Control (TAC) harness is open or shorted
  • Throttle Actuator Control (TAC) circuit poor electrical connection

How to Fix the DTC P2106?

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 P2106 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 P2106 code?

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Information for Specific Makes

  • P2106 Buick β€” Throttle Control System Performance - Throttle Limitations Active
  • P2106 Cadillac β€” Throttle Control System Performance - Throttle Limitations Active
  • P2106 Chevrolet β€” Throttle Control System Performance - Throttle Limitations Active
  • P2106 Chrysler β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 Dodge β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 Ford β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 GMC β€” Throttle Control System Performance - Throttle Limitations Active
  • P2106 Hyundai β€” Electronic Throttle Control System Forced Limited Power
  • P2106 Jeep β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 Lincoln β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 Mercury β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 RAM β€” Throttle Actuator Control System - Forced Limited Power
  • P2106 Saturn β€” Throttle Control System Performance - Throttle Limitations Active
  • P2106 Suzuki β€” Throttle Actuator Control System - Forced Limited Power
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 P2106 Code

1. What are the common symptoms of OBDII code P2106?

Symptoms of code P2106 may include reduced engine power, a check engine light illuminated on the dashboard, rough idling, and difficulty accelerating.

2. What causes OBDII code P2106 to trigger?

Code P2106 is typically triggered by issues with the throttle actuator control system, such as a faulty throttle position sensor, a malfunctioning electronic throttle body, or wiring problems.

3. How serious is OBDII code P2106?

Code P2106 can be serious as it can impact the vehicle's performance and driveability. It is recommended to address the issue promptly to prevent further damage to the engine or related components.

4. Can I continue driving with OBDII code P2106 present?

It is not advisable to continue driving with code P2106 present, as it can lead to further damage to the engine or other components. It is best to have the issue diagnosed and repaired as soon as possible.

5. How is OBDII code P2106 diagnosed?

Diagnosing code P2106 typically involves using an OBDII scanner to retrieve the code and then performing a thorough inspection of the throttle actuator control system, including the throttle body, sensors, and wiring.

6. What are some repair tips for OBDII code P2106?

Repair tips for code P2106 may include cleaning the throttle body, checking and replacing the throttle position sensor, inspecting the wiring for any damage, and ensuring proper throttle actuator control system functionality.

7. Can I reset OBDII code P2106 on my own?

While you can reset the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring. Resetting the code without fixing the problem will only temporarily turn off the check engine light.

8. How much does it cost to repair OBDII code P2106?

The cost of repairing code P2106 can vary depending on the specific cause of the issue and the labor rates in your area. It is recommended to get a diagnostic from a qualified mechanic to determine the exact cost.

9. Are there any DIY fixes for OBDII code P2106?

Some DIY fixes for code P2106 may include cleaning the throttle body, inspecting and cleaning the throttle position sensor, and checking for any loose or damaged wiring. However, more complex issues may require professional intervention.

10. How can I prevent OBDII code P2106 from occurring again?

To prevent code P2106 from occurring again, it is important to perform regular maintenance on the throttle actuator control system, including keeping the throttle body clean, checking sensor connections, and addressing any issues promptly. Regularly scanning for trouble codes can also help catch potential problems early.

Discuss the causes and fixes for P2106 OBDII Code

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