OBD-II code · Powertrain (generic, extended)
P2176 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.
Is it safe to drive with P2176?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIdle relearn procedure not completed
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.2–1 h
- Emissions test
- Likely to fail
- Parts involved
- Electronic Throttle Body, Powertrain Control Module
Related codes
- P218AThrottle Actuator B Control System - Idle Position Not Learned
- P2173High Airflow/Vacuum Leak Detected (Slow Accumulation)
- P2174Throttle Actuator Control System - Sudden Low Air Flow Detected
- P2175Throttle Actuator Control System - Low Air Flow Detected
- P2177System Too Lean Off Idle Bank 1
- P2178System Too Rich Off Idle Bank 1
- P2179System Too Lean Off Idle Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.