P2135 nissan micra. Chevy Silverado P1516 & P2135 Codes Causing Reduced Engine Power Silverado often faces throttle body sensor errors and intermittent engine power reduction issues. Codes P1511 and P2135 indicate throttle position sensor (TPS) and throttle actuator control faults. This is usually a quick fix, but the problem keeps coming back. The Throttle Actuator Control (TAC) / throttle body type trouble codes, may be caused by a loose wiring crimp at the throttle body connector, or a broken throttle body circuit. The P2135 code indicates a throttle/pedal position sensor correlation issue. Inspect the accelerator pedal position sensor and throttle position sensor for wiring damage or poor connections. Inspect the electronic throttle body, accelerator pedal position sensors, and wiring harness for damage or corrosion. Inspect the TPS wiring harness for damage or corrosion. The P2135 code indicates a throttle/pedal position sensor correlation fault. Jan 1, 2005 ยท A vehicle may be brought into the dealer for a reduced power message, and DTCs P0120, P0220, P1516, P2101, or P2135. fhftkclxlofajdqdgjgbqlrmyxwbbqqsxlvxrgahcjpkkbqjgy