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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 859 (Engine Controls - Powertrain DTC Charts And Descriptions - (Hybrid)) >> DTC Diagnosis >> P2100 - Throttle Actuator Control (TAC) Motor Circuit/Open

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

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P2100 - THROTTLE ACTUATOR CONTROL (TAC) MOTOR CIRCUIT/OPEN

Description:  A powertrain control module (PCM) fault flag is set indicating the motor circuit is open, and may require cycling the key.
Possible Causes: 
  • TAC motor has an open winding
  • TAC motor is damaged
  • TAC motor harness is open
  • TAC motor harness is shorted to PWR
  • TAC motor harness circuits are shorted together
  • TAC motor harness connector is unplugged
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   refer to PINPOINT TEST DV .
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