TESLA Alert

DIF-A202

DIF_a202_excessHeatUnavailable

System
DIF
Drive Inverter Front
Type
Alert
Category
Motor
Severity
Alert

What does DIF-A202 mean?

Tesla alert code in the Drive Inverter Front (DIF) module. Drive Inverter Warning: Ambient under temperature Ambient temperature (refer to pcbTemp) drops below lower temperature threshold Ambient temperature rises above lower temperature threshold No direct impact. Could damage drive inverter if temperature is continuously too low. Drive Inverter Warning: High gear lash angle measured Drive Inverter Warning: Stator sensor 2 bad Drive Inverter Warning: Stator over temperature Stator temperature exceeds upper temperature threshold Stator temperature drops below upper temperature threshold No direct impact. Could damage drive unit if temperature is continuously too high. Drive Inverter Warning: Outlet over temperature DI coolant outlet temperature (refer to outletTemp) exceeds upper temperature threshold DI coolant outlet temperature drops below upper temperature threshold No direct impact. Could damage drive inverter if temperature is continuously too high. Drive Inverter Warning: Phase A peak over current detected in hardware Drive Inverter Warning: Phase B rms over current Drive Inverter Warning: Heatsink over temperature Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold Heatsink temperature drops below upper temperature threshold Drive Inverter Warning: ABS CAN node is MIA Drive Inverter Warning: Torque limited because rotor is too hot Drive Inverter Warning: no motor speed as encoder irrational and abs mia Drive Inverter Warning: Loss of motor control Motors are not responding to DI commands Drive Inverter Warning: No Stator sensor available All stator sensors are giving abnormal measurements At least one stator sensor returns to rational measurements Drive Inverter Warning: Track A Disconnected Drive Inverter Warning: Phase B current sensor bad Drive Inverter Warning: Track B disconnected Drive Inverter Warning: Phase C rms over current Drive Inverter Warning: Unit graceful power off triggered Diagnostic alert for software trigger of mechanical three phase short Inverter detects a shorted switch. See payload signals for information on which trigger algorithm occurs Clears when LV power is removed from drive unit or a non-drive/drive cycle occurs Drive unit may become permanently disabled Drive Inverter Warning: Phase A peak over current detected in software Drive Inverter Warning: Hardware latched fault response in an unexpected state Measured latched fault response does NOT match with expected request from DI Measured latched fault response matches with expected request from DI In the event of a sudden LV loss at speed, latched fault response may not match expectations, exposing drive unit to unexpected torque Drive Inverter Warning: Phase B current offset too big Drive Inverter Warning: Low flow rate of fluid Insufficient cooling to the drive inverter is detected Cooling is sufficient and a drive cycle is executed Drive Inverter Warning: External torque command error Drive Inverter Warning: Phase A current sensor bad Drive Inverter Warning: Phase A current offset too big Drive Inverter Warning: Motor speed mismatch Drive Inverter Warning: Outlet under temperature DI coolant outlet temperature (refer to outletTemp) drops below lower temperature threshold DI coolant outlet temperature rises above lower temperature threshold Diagnostic alert for software trigger of mechanical two phase open Drive Inverter Warning: Power stage applied a safe state Drive Inverter Warning: Battery over voltage detected in software HV bus voltage (refer to busVoltage) exceeds upper voltage theshold (refer to busHighLimit) HV bus voltage drops below upper voltage threshold Drive Inverter Warning: Battery sensor bad When HV bus is up, DI measured bus voltage very low or disagrees with BMS reported voltage When HV bus is up, DI measured bus voltage matches BMS reported voltage

Original Description

Drive Inverter Warning: Ambient under temperature Ambient temperature (refer to pcbTemp) drops below lower temperature threshold Ambient temperature rises above lower temperature threshold No direct impact. Could damage drive inverter if temperature is continuously too low. Drive Inverter Warning: High gear lash angle measured Drive Inverter Warning: Stator sensor 2 bad Drive Inverter Warning: Stator over temperature Stator temperature exceeds upper temperature threshold Stator temperature drops below upper temperature threshold No direct impact. Could damage drive unit if temperature is continuously too high. Drive Inverter Warning: Outlet over temperature DI coolant outlet temperature (refer to outletTemp) exceeds upper temperature threshold DI coolant outlet temperature drops below upper temperature threshold No direct impact. Could damage drive inverter if temperature is continuously too high. Drive Inverter Warning: Phase A peak over current detected in hardware Drive Inverter Warning: Phase B rms over current Drive Inverter Warning: Heatsink over temperature Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold Heatsink temperature drops below upper temperature threshold Drive Inverter Warning: ABS CAN node is MIA Drive Inverter Warning: Torque limited because rotor is too hot Drive Inverter Warning: no motor speed as encoder irrational and abs mia Drive Inverter Warning: Loss of motor control Motors are not responding to DI commands Drive Inverter Warning: No Stator sensor available All stator sensors are giving abnormal measurements At least one stator sensor returns to rational measurements Drive Inverter Warning: Track A Disconnected Drive Inverter Warning: Phase B current sensor bad Drive Inverter Warning: Track B disconnected Drive Inverter Warning: Phase C rms over current Drive Inverter Warning: Unit graceful power off triggered Diagnostic alert for software trigger of mechanical three phase short Inverter detects a shorted switch. See payload signals for information on which trigger algorithm occurs Clears when LV power is removed from drive unit or a non-drive/drive cycle occurs Drive unit may become permanently disabled Drive Inverter Warning: Phase A peak over current detected in software Drive Inverter Warning: Hardware latched fault response in an unexpected state Measured latched fault response does NOT match with expected request from DI Measured latched fault response matches with expected request from DI In the event of a sudden LV loss at speed, latched fault response may not match expectations, exposing drive unit to unexpected torque Drive Inverter Warning: Phase B current offset too big Drive Inverter Warning: Low flow rate of fluid Insufficient cooling to the drive inverter is detected Cooling is sufficient and a drive cycle is executed Drive Inverter Warning: External torque command error Drive Inverter Warning: Phase A current sensor bad Drive Inverter Warning: Phase A current offset too big Drive Inverter Warning: Motor speed mismatch Drive Inverter Warning: Outlet under temperature DI coolant outlet temperature (refer to outletTemp) drops below lower temperature threshold DI coolant outlet temperature rises above lower temperature threshold Diagnostic alert for software trigger of mechanical two phase open Drive Inverter Warning: Power stage applied a safe state Drive Inverter Warning: Battery over voltage detected in software HV bus voltage (refer to busVoltage) exceeds upper voltage theshold (refer to busHighLimit) HV bus voltage drops below upper voltage threshold Drive Inverter Warning: Battery sensor bad When HV bus is up, DI measured bus voltage very low or disagrees with BMS reported voltage When HV bus is up, DI measured bus voltage matches BMS reported voltage

Severity Notes

DIF-A202 is an Alert in the Drive Inverter Front system. It is generally safe to continue driving, but have it checked at your next scheduled service.

Other DIF Codes

DIF_a001 DIF_a002 DIF_a003 DIF_a004 DIF_a005 DIF_a006 DIF_a007 DIF_a008
View all DIF codes →