2003 Chevy Silverado P1516 Code: TAC Module Issue Fix Silverado models often face throttle response delays and intermittent throttle actuator control errors. The P1516 code indicates a problem …

Codes P1516, P2101, and P2176 indicate issues with the electronic throttle control system. P1516 relates to throttle actuator control, P2101 to throttle actuator control motor circuit, and P2176 to …

Code P1516 indicates an issue with the throttle actuator control system, often causing reduced engine power. Check the throttle body for carbon buildup and clean it thoroughly. Inspect the throttle position …

Feb 19, 2016 · Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Gas (Gen 4) How many of you experienced code P1516?

Aug 5, 2025 · Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Gas (Gen 3) P1516 P2135 fault with NW102 and xlink Results 1 to 6 of 6

The P1516 code indicates a throttle position sensor (TPS) or throttle actuator control issue. Despite replacing the throttle body assembly, check the wiring harness for corrosion or damaged connectors …

Mar 24, 2007 · Is there any way that I can either disable the P1516 and P2101 codes or otherwise adjust the TPS parameters to prevent this on-going problem? I appreciate your help and apologize if this is …

Mar 25, 2017 · Forum Tuning GM V8 Tuning GM V8 Tuning - Engine, Gas (Gen 4) How many of you experienced code P1516?

Apr 20, 2016 · Did a LS4 to LS3 throttle body swap using the pinout shown below. Driving at part throttle the car drives fine, but when you go 100% and release, the throttle gets stuck and throws the codes. …

Jan 14, 2009 · Truck is a 2003 1500HD 6.0L Motor: Saw quite a few posts, especially in the last few weeks, but figured id start another anyways. Last week driving to work my truck threw the P1516 …