P2101 – Throttle Actuator “A” Control Motor Circuit Range/Performance


This code is set when there’s an electrical or mechanical problem in the throttle actuator A (TA-A).

Main Symptoms:

The Check Engine Light coming on might be a symptom of the P2101
One of the main symptoms of the P2101 is the Check Engine Light

Possible Causes:

  • Defective TA-A
  • Open or short in TA-A circuit
  • Defective PCM (least likely)

Diagnostic Steps:

  • Locate TA-A and check all its wiring harnesses. Ensure there are no open, broken, disconnected, shorted or burnt wires and connectors
  • Reset the code and do a test drive. If it returns test the actuator

Read More: OBD2 Codes List: Meaning, Fixes, and Free Download