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P2176 Powertrain

Throttle Actuator A Control System - Idle Position Not Learned

Throttle Actuator A Control System - Idle Position Not Learned: the control module has detected this fault condition.

Affected components

  • Electronic throttle body
  • Powertrain control module

Common causes

  • High likelihood: Idle relearn procedure not completed

Possible symptoms

  • Check engine light on
  • Reduced throttle response, possible limp mode
  • Hesitation or surging
  • Idle too high or too low

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • This code can affect emissions

Related codes

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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