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SDCR_a001 — Power On Self Test Failed

Full alert identifier: SDCR_a001_powerOnSelfTestFailed

Alert description

Secondary disconnect controller (SDC) failed the drive unit pyro self-test.

Potential impact

Pyro disconnect may not function as expected.

Set condition

Pyro test voltages were out of range during pyro self-test.

Clear condition

Drive / Non-drive transition with successful pyro self-test.

Signals to check

These diagnostic fields are associated with SDCR_a001. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
HV Backup Supply V SDCR_a001_HVBackupSupplyV V
Boost Rail V SDCR_a001_boostRailV V
Expected Pyro V Max SDCR_a001_expectedPyroV_max V
Expected Pyro V Min SDCR_a001_expectedPyroV_min V
From State SDCR_a001_fromState
0
PENDING
1
TEST PYRO BOTH OFF1
2
TEST PYRO H ON
3
TEST PYRO BOTH OFF2
4
TEST PYRO L ON
5
PASSED
6
FAILED
7
SKIPPED
—
Pyro Sense V SDCR_a001_pyroSenseV V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCR_a001.

Browse all SDCR alert codes