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P2112 - Throttle Actuator Control (TAC) System - Stuck Closed

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P2112 - THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - STUCK CLOSED

Description:  This DTC sets when the fault status indicates the throttle plate is at a lower angle than commanded.
Possible Causes: 
  • Throttle body stuck closed
  • Throttle body stuck binding
  • TACM+ circuit open
  • TACM- circuit open
  • TACM+ and TACM- circuits are cross wired
  • TACM+ and TACM- circuits are shorted together
  • Damaged PCM
Diagnostic Aids: 
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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