P2101 CHEVROLET code

P2101 is an OBD-II generic code for the engine control module (ECM) detecting the throttle actuator control (TAC) went out of the range of the circuit causing an open circuit to be detected in the TAC motor.

What causes P2101 code?

Diagnostic Trouble Code (DTC) P2101 stands for Throttle Actuator “A” Control Motor Circuit Range/Performance. It is usually triggered when your vehicle’s powertrain control module (PCM) detects that the actual throttle position does not match the desired throttle position.

Where is the throttle actuator control?

The throttle controller is located on top of the engine between the air intake and the intake manifold.

Where is the TAC module located?

The TAC module is mounted on the driver’s side firewall under the corner brace. There are 2 connectors plugged into the bottom of it, one 10 pin and one 16 pin.

What is the throttle actuator control module?

Zitat von Youtube: The throttle actuator control replaces. The need for mechanical linkage between the throttle body and the accelerator pedal.

How do I fix error code P2101?

What repairs can fix the P2101 code?

  1. Replacing the TAC assembly if it fails all pinpoint tests and problem has been verified.
  2. Repairing the wiring or connection to the TAC assembly.
  3. Replacing the ECM as directed by the pinpoint test.