P0A19 Drive Motor A Position Sensor Circuit High

P0A19 points to a high condition in the Drive Motor A position sensor circuit. The position signal is above the expected range or being backfed.

Code status

Needs verification

Not yet verified against SAE J2012_202509 / J2012DA. Treat unverified rows as a lookup aid, not repair authority.

System: Hybrid / EV
Scope: iso-sae-controlled-p0
Standard: SAE J2012 / ISO 15031-6
Source: legacy-import

Diagnostic boundary

A diagnostic trouble code reports that a monitored test failed. It does not prove one specific part is bad, and manufacturer logic can add vehicle-specific conditions.

Do not operate the vehicle with unreliable Motor A position data because torque control may be disabled or limited.

Useful checks before replacing parts

Review Motor A position signal voltage, sensor supply, ground, motor speed, inverter status, freeze-frame data, and related high-input motor codes.
Inspect for short-to-voltage faults, open grounds, shielded cable damage, connector water intrusion, crossed wires, and inverter connector terminal damage.
Compare signal readings at the motor and inverter ends to determine whether the high value originates in the sensor, harness, or controller.

Related OBD-II codes

These nearby hybrid / ev entries can help compare wording and fault area. They may share the same verification status as the source database.