Error code

OBD2 P2176

OBD2P2176
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Throttle Actuator Control System - Idle Position Not Learned.

Severity

moderateCan drive, but may experience issues with engine performance and fuel economy.

Summary

P2176 indicates that the throttle actuator control system has not learned the idle position, which is related to the throttle body or intake manifold.

Symptoms

  • Engine idling rough
  • Stalling at idle

Common Causes

  • Basic setting not carried out
  • Faulty throttle position sensor
  • Throttle actuator malfunction

Fixes

  • Perform basic setting or calibration of the throttle actuator control system

FAQ

What does P2176 mean?

P2176 means that the idle position for the throttle actuator has not been learned by the vehicle's computer.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.