P050A
Cold Start Idle Air Control System Performance
Generic code
Vehicle Speed and Idle Control System
High severity
Easy repair
Free on OBD DashX
Want real-world data on P050A?
See which problems come with P050A, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P050A means
- Issue with air flow in the engine during cold start
Possible symptoms
- Engine misfire
- Harsh shifts
Possible causes
- Faulty IACV
- AAC valve (Idle Air Control Valve)
- IACV
- AAC valve harness is open or shorted
- AAC valve circuit poor electrical connection
Related parts
- Idle Air Control System: IAC (Idle Air Control) System controls the speed of the engine when it is idling. This car's engine may keep stalling due to problems with the IAC
Possible solutions
- Start by clearing the fault codes. Then unplug the IAC (Idle Air control) sensor and start the engine Check for wiring problems
Free on OBD DashX
P050A on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P050A No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.