DTC P2176-54: Throttle Actuator "A" Control System - Idle Position Not Learned - Missing calibration: Action
- Check engine control module for additional DTCs and refer to the relevant DTC index. Rectify these first
- Check battery is in fully charged and in a serviceable condition using a battery tester and the BATTERY & CHARGING SYSTEM - GENERAL INFORMATION -- LR4/L319
- Allow engine control module to power down. Turn on ignition and wait for 60 seconds. Start engine, this will allow new throttle adaption data to be stored
- Clear the DTCs and retest
- Check and install new electric throttle actuator as required