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DIRER_a154 — Resolver

Full alert identifier: DIRER_a154_resolver

Alert description

The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.

Potential impact

The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.

Set condition

The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.

Clear condition

The resolver begins functioning as expected. Review the logs to crack alert.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Common Gain DIRER_a154_commonGain 1
Motor RPM DIRER_a154_motorRPM RPM
Phase Error DIRER_a154_phaseError 1
Signal Unit
Carrier Offset DIRER_a154_carrierOffset —
Cla MIA DIRER_a154_claMIA —
Error Table Invalid DIRER_a154_errorTableInvalid —
No Calibration DIRER_a154_noCalibration —
No Carrier DIRER_a154_noCarrier —
No Phase Lock DIRER_a154_noPhaseLock —
Not Ready DIRER_a154_notReady —
Tracker Irrational DIRER_a154_trackerIrrational —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIRER_a154.

Browse all DIRER alert codes