The control module reports that a required adaptation or reference value for the Throttle Actuator B Control System - Idle Position has not been learned.
TuningBot DTC Database · v4.37.15
P218A Throttle Actuator B Control System - Idle Position Not Learned
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P218A means
Related and nearby codes
How to read P218A
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P218A
What does P218A mean?
Throttle Actuator B Control System - Idle Position Not Learned. The control module reports that a required adaptation or reference value for the Throttle Actuator B Control System - Idle Position has not been learned.
Is P218A generic or manufacturer-specific?
P218A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P218A 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
