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P2100 - Throttle Actuator Control (TAC) Motor Circuit/Open

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P2100 - THROTTLE ACTUATOR CONTROL (TAC) MOTOR CIRCUIT/OPEN

Description:  This DTC sets when a PCM fault flag is set indicating the TAC motor circuit is open. May require cycling the ignition.
Possible Causes: 
  • ETBTACM connector is unplugged
  • TACM+ circuit open
  • TACM+ circuit short to voltage
  • TACM- circuit open
  • TACM- circuit short to voltage
  • TACM+ and TACM- circuits are short together
  • TAC motor has an open winding
  • Damaged TAC motor
Diagnostic Aids:  A TAC motor circuit PID reading may indicate a concern, if available.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DV: THROTTLE BODY ASSEMBLY ELECTRONIC THROTTLE CONTROL (ETC) .
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