UMC_a020 — Application CRC

Full alert identifier: UMC_a020_applicationCRC

Alert description

UMC application memory did not match expected CRC

Potential impact

UMC will not operate until application memory passes an integrity check

Set condition

UMC application memory fails integrity check

Clear condition

UMC application memory passes integrity check

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UMC_a020.

UMC_a031 — Relay Coil V Irrational UMC_a031_relayCoilVIrrational UMC relay coil precharge voltage is unable to reach sufficent level to close AC relay
UMC_a041 — Handle Temp Irrational UMC_a041_handleTempIrrational The Universal Mobile Connector (UMC) has detected irrational temperature reporting from the handle temperature sensor.
UMC_a017 — Wall Plug OT Foldback UMC_a017_wallPlugOTFoldback High Universal Mobile Connector (UMC) wall plug (smart adapter) temperature detected, causing UMC output current to the vehicle to be reduced by half.
UMC_a015 — SA Connection UMC_a015_SA_Connection Timeout while UMC was attempting to communicate with smart adapter
UMC_a037 — GFCI Calibration UMC_a037_GFCICalibration UMC has performed a successful DCGFCI calibration

Browse all UMC alert codes