DIF_a024 — Self Test

Full alert identifier: DIF_a024_selfTest

Alert description

The Switch Off Path Test (SOPT) for Drive Unit has failed. The pathway between Drive Inverter (DIx) and Pedal Monitor (PM) torque measurements are different.

Potential impact

PM may not be able to shut down torque produced by Drive Unit.

Set condition

The Switch Off Path Test (SOPT) for Drive Unit has failed. The DIx and PM torque measurements are different. The pathway between DIx and PM may have a condition affecting functionality.

Clear condition

This alert is primarily intended for logging purposes. If this alerts repeatedly asserts, there may a condition affecting the DIx hardware.

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
Ia `DIF_a024_Ia`	A
Ib `DIF_a024_Ib`	A
Max Curr Mag Sqrd `DIF_a024_maxCurrMagSqrd`	A2
Rotor Angle `DIF_a024_rotorAngle`	degrees
V Bat `DIF_a024_vBat`	V

Signal	Unit
Fail Reason `DIF_a024_failReason` 0 CACHED 1 POS CURRENT 2 NEG CURRENT 3 DISAGREE 4 TIMEDOUT 5 SWITCH SHORT DISABLE CONDITIONS MET 6 FAULT PRESENT 7 ASC TEST	—
State `DIF_a024_state`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a024.