TuningBot DTC Database · v4.37.15
Generic (OBD-II) interpretation in the TuningBot DTC database.
The control module determined that the Hybrid Battery Positive Contactor did not change state as commanded and appears stuck.
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Hybrid Battery Positive Contactor Circuit Stuck Closed. The control module determined that the Hybrid Battery Positive Contactor did not change state as commanded and appears stuck.
P0AA1 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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