Toyota Tundra no throttle response issue with error code P2118 on Toyota Tundra

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Toyota Tundra owners report experiencing a no throttle response issue accompanied by error code P2118, indicating a problem with the throttle actuator control system. This issue can result in the vehicle entering limp mode, leading to poor acceleration and potential engine stalling. Common causes identified include a faulty throttle body, electronic throttle control malfunction, or damaged wiring, as well as possible voltage fluctuations or a bad fuse affecting the throttle actuator control motor. Owners are advised to visually inspect the wiring harness and connectors for damage and check connector pins for any signs of being broken, bent, or corroded. While the error code may seem significant, many owners find that resolving this issue can be straightforward by addressing the root cause of the throttle actuator control system malfunction.

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