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P0511
Idle Air Control Circuit
Generic · engine
Data confidence
90%
The control module detected improper operation of the Idle Air Control circuit.
Possible causes
- Wiring
- poor connection
- lac valve
- ECM
TuningBot DTC Database · v4.37.15
P0511 Idle Air Control Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0511 means
Related and nearby codes
How to read P0511
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
511
Specific fault index within the subsystem.
Frequently asked questions about P0511
What does P0511 mean?
Idle Air Control Circuit. The control module detected improper operation of the Idle Air Control circuit.
Is P0511 generic or manufacturer-specific?
P0511 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0511 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic