P2110 OBD-II Trouble Code: Throttle Actuator Control System Forced Limited RPM

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P2110 is a diagnostic trouble code (DTC) for "Throttle Actuator Control System Forced Limited RPM". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

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P2110 trouble code definition

Throttle Actuator Control System Forced Limited RPM

What the P2110 code means

P2110 is an OBD-II generic code for the engine control module (ECM) detecting a major failure in the throttle actuator control (TAC) system causing the ECM to go into failure mode and limiting the engine to a specified RPM limit.

What causes the P2110 code?

  • The engine control module (ECM) is in failure management mode from a major failure in the throttle actuator control (TAC) system and sets that code and code P2110 for limiting the RPM’s.

  • The throttle actuator control (TAC) system failure is the cause and will have set other failure codes.

What are the symptoms of the P2110 code?

  • The Check Engine Light will be illuminated and the code is set in ECM memory as a fault along with the failure that caused the ECU to go into failure mode.

  • The engine will have limited acceleration and slow throttle response and RPM will be limited.

  • Symptoms that are encountered may vary because it depends on the issue that caused the failure mode.

How does a mechanic diagnose the P2110 code?

  • Scans codes and documents the code in the ECM to look at the freeze frame data for failure

  • Diagnoses all codes as per the manufacturer's pinpoint tests

  • Diagnoses and repairs codes other than P2110 first, there may be other codes to other systems that caused the failure mode to be activated within the ECM.

Common mistakes when diagnosing the P2110 code

  • Clearing ECM memory codes before checking the freeze frame data for the main failure problem, so the failure may be duplicated and repaired

  • Failing to clear the ECM codes after the codes are fixed

  • Diagnosing code P2110 before diagnosing other throttle control system codes first

How serious is the P2110 code?

Code P2110 is an indication that the ECM is in failure management mode and has limited the RPM the engine can go since the throttle control actuator system has a failure. The problem may be in another system as well causing a problem.

What repairs can fix the P2110 code?

Diagnosing and repairing other codes for the TAC received first before addressing code P2110

Additional comments for consideration regarding the P2110 code

Code P2110 is an informational code most of the time to alert you to another failure that caused the failure mode to be engaged and caused the RPM limited issue.

Need help with a P2110 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

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