Tesla CC Alert Codes
Climate Control reference page with 81 Tesla alert codes, 28 detailed descriptions, severity counts, and diagnostic context.
What the CC system covers
Climate Control alerts belong to Tesla's proprietary diagnostic alert system and are grouped under the hvac category.
Alert type breakdown
Tesla CC code list
Rows with a linked code have a dedicated detail page.
| Code | Severity | Type | Description |
|---|---|---|---|
| CC_a001 CC_a001_gndMonIntrptLineSide | Caution | Alert | CC_a001 - gnd Mon Intrpt Line Side Tesla alert code in the Climate Control (CC) module related to gnd mon intrpt line side. |
| CC_a002 CC_a002_gndMonIntrptLoadSide | Caution | Alert | CC_a002 - gnd Mon Intrpt Load Side Tesla alert code in the Climate Control (CC) module related to gnd mon intrpt load side. |
| CC_a003 CC_a003_CCIDTripped | Caution | Alert | CC_a003 - CCID Tripped Tesla alert code in the Climate Control (CC) module related to ccid tripped. |
| CC_a004 CC_a004_CCIDSelfTestFault | Caution | Alert | CC_a004 - CCID Self Test Fault Tesla alert code in the Climate Control (CC) module related to ccid self test fault. |
| CC_a005 CC_a005_groundedNeutral | Caution | Alert | CC_a005 - grounded Neutral Tesla alert code in the Climate Control (CC) module related to grounded neutral. |
| CC_a006 CC_a006_inputOverCurrent | Caution | Alert | CC_a006 - input Over Current Tesla alert code in the Climate Control (CC) module related to input over current. |
| CC_a007 CC_a007_inputOverVoltage | Caution | Alert | CC_a007 - input Over Voltage Tesla alert code in the Climate Control (CC) module related to input over voltage. |
| CC_a008 CC_a008_inputUnderVoltage | Caution | Alert | CC_a008 - input Under Voltage Tesla alert code in the Climate Control (CC) module related to input under voltage. |
| CC_a009 CC_a009_inputMiswired | Caution | Alert | CC_a009 - input Miswired Tesla alert code in the Climate Control (CC) module related to input miswired. |
| CC_a010 CC_a010_contactorWelded | Caution | Alert | CC_a010 - contactor Welded Tesla alert code in the Climate Control (CC) module related to contactor welded. |
| CC_a011 CC_a011_ambientOT | Caution | Alert | CC_a011 - ambient OT Tesla alert code in the Climate Control (CC) module related to ambient ot. |
| CC_a012 CC_a012_wallPlugOT | Caution | Alert | CC_a012 - wall Plug OT Tesla alert code in the Climate Control (CC) module related to wall plug ot. |
| CC_a013 CC_a013_vehConnOT | Caution | Alert | CC_a013 - veh Conn OT Tesla alert code in the Climate Control (CC) module related to veh conn ot. |
| CC_a014 CC_a014_mcuSelfTestFault | Caution | Alert | CC_a014 - mcu Self Test Fault Tesla alert code in the Climate Control (CC) module related to mcu self test fault. |
| CC_a015 CC_a015_PilotAFault | Caution | Alert | CC_a015 - Pilot A Fault Tesla alert code in the Climate Control (CC) module related to pilot a fault. |
| CC_a016 CC_a016_PilotBFault | Caution | Alert | CC_a016 - Pilot B Fault Tesla alert code in the Climate Control (CC) module related to pilot b fault. |
| CC_a017 CC_a017_PilotCFault | Caution | Alert | CC_a017 - Pilot C Fault Tesla alert code in the Climate Control (CC) module related to pilot c fault. |
| CC_a018 CC_a018_PilotDFault | Caution | Alert | CC_a018 - Pilot D Fault Tesla alert code in the Climate Control (CC) module related to pilot d fault. |
| CC_a019 CC_a019_proxDisconnected | Caution | Alert | CC_a019 - prox Disconnected Tesla alert code in the Climate Control (CC) module related to prox disconnected. |
| CC_a020 CC_a020_3vRailIncorrect | Caution | Alert | CC_a020 - 3v Rail Incorrect Tesla alert code in the Climate Control (CC) module related to 3v rail incorrect. |
| CC_a021 CC_a021_CB_noMaster | Caution | Alert | CC_a021 - CB no Master Tesla alert code in the Climate Control (CC) module. Charging is interrupted |
| CC_a022 CC_a022_CB_tooManyMasters | Caution | Alert | CC_a022 - CB too Many Masters Tesla alert code in the Climate Control (CC) module related to cb too many masters. |
| CC_a023 CC_a023_CB_tooManySlaves | Caution | Alert | CC_a023 - CB too Many Slaves Tesla alert code in the Climate Control (CC) module related to cb too many slaves. |
| CC_a024 CC_a024_CB_masterISetTooLow | Caution | Alert | CC_a024 - CB master I Set Too Low Tesla alert code in the Climate Control (CC) module related to cb master i set too low. |
| CC_a025 CC_a025_evseTemp | Caution | Alert | CC_a025 - evse Temp Tesla alert code in the Climate Control (CC) module related to evse temp. |
| CC_a026 CC_a026_wallPlugTemp | Caution | Alert | CC_a026 - wall Plug Temp Tesla alert code in the Climate Control (CC) module related to wall plug temp. |
| CC_a027 CC_a027_vehicleHandleTemp | Caution | Alert | CC_a027 - vehicle Handle Temp Tesla alert code in the Climate Control (CC) module related to vehicle handle temp. |
| CC_a028 CC_a028_CB_rotarySelect | Caution | Alert | CC_a028 - CB rotary Select Tesla alert code in the Climate Control (CC) module. Invalid rotary dial selection |
| CC_a029 CC_a029_PilotFFault | Caution | Alert | CC_a029 - Pilot F Fault Tesla alert code in the Climate Control (CC) module. Pilot level invalid |
| CC_a030 CC_a030_masterSlaveMismatch | Caution | Alert | CC_a030 - master Slave Mismatch Tesla alert code in the Climate Control (CC) module related to master slave mismatch. |
| CC_a031 CC_a031_pllLockLost | Caution | Alert | CC_a031 - pll Lock Lost Tesla alert code in the Climate Control (CC) module related to pll lock lost. |
| CC_a032 CC_a032_meteringFailure | Caution | Alert | CC_a032 - metering Failure Tesla alert code in the Climate Control (CC) module related to metering failure. |
| CC_a033 CC_a033_vRefOutOfRange | Caution | Alert | CC_a033 - v Ref Out Of Range Tesla alert code in the Climate Control (CC) module related to v ref out of range. |
| CC_a036 CC_a036_contactorStuckOpen | Caution | Alert | CC_a036 - contactor Stuck Open Tesla alert code in the Climate Control (CC) module related to contactor stuck open. |
| CC_a037 CC_a037_intModuleWdtExpired | Caution | Alert | CC_a037 - int Module Wdt Expired Tesla alert code in the Climate Control (CC) module related to int module wdt expired. |
| CC_a038 CC_a038_internalModuleMia | Caution | Alert | CC_a038 - internal Module Mia Tesla alert code in the Climate Control (CC) module related to internal module mia. |
| CC_a039 CC_a039_internalModuleOverTemp | Caution | Alert | CC_a039 - internal Module Over Temp Tesla alert code in the Climate Control (CC) module. Wall connector real-time processor is too hot Real-time processor exceeds 85C Real-time processor cools to below 65C Charging will be interrupted and one red blink on LEDs info from manualCC_A017 Contactor detected as closed when it should be open info from manualCC_A010 Wall connector detects voltage on the contactor output when it should be open User resets by cycling cable, reset button, or power cycle Wall connector will not operate and there is a potential hazardous voltage present on the charge handle info from manualCC_A016 Wall connector internal voltage reference is out of acceptable range Internal voltage reference leaves acceptable range Internal voltage reference enters acceptable range AC RMS input voltage is too high info from manualCC_A007 AC RMS input voltage exceeds 320 V RMS for NA or 290 V RMS for EU/CN for more than 2 seconds AC RMS input voltage falls below 310 V RMS for NA or 280 V RMS for EU/CN for more than 2 seconds Wall connector will not allow charging while the input voltage is too high PCBA temperature exceeds threshold PCBA temperature falls below threshold Charging rate will be reduced by 50% Wall connector is configured as a slave but no master was detected info from manualCC_A021 Wall connector is configured as a slave but no master is present on the sharing network Wall connector is reconfigured or a master becomes present on the sharing network |
| CC_a040 CC_a040_handleTempFoldback | Caution | Alert | CC_a040 - handle Temp Foldback Tesla alert code in the Climate Control (CC) module related to handle temp foldback. |
| CC_a041 CC_a041_inputWiringFoldback | Caution | Alert | CC_a041 - input Wiring Foldback Tesla alert code in the Climate Control (CC) module related to input wiring foldback. |
| CC_a042 CC_a042_pcbaTempFoldback | Caution | Alert | CC_a042 - pcba Temp Foldback Tesla alert code in the Climate Control (CC) module. PCBA temperature is too high |
| CC_a043 CC_a043_configurationRequired | Caution | Alert | CC_a043 - configuration Required Tesla alert code in the Climate Control (CC) module related to configuration required. |
| CC_a044 CC_a044_relayCoilVoltageRationality | Caution | Alert | CC_a044 - relay Coil Voltage Rationality Tesla alert code in the Climate Control (CC) module. Wall connector relay coils are at an unexpected voltage, usually due to overheating or other damage Relay coil voltage is out of the expected range for the current state of the relays Relay coil voltage returns to normal levels Wall connector requires configuration via the web UI before it can operate Wall connector does not have necessary parameters configured All needed configuration items are complete The Wall connector will not charge vehicles More than one wall connector is configured as a master on the sharing network info from manualCC_A022 More than one wall connector configured as a master was detected on the sharing network Wall connector detects only one master on the sharing network Wall connctor input wiring temperature too high info from manualCC_A012 Wall connector input wiring temperature exceeds 100 C Wall connector input wiring temperature falls below 80 C or user interaction if charging was stopped Cotactors opened due to measured current exceeding configured unit current limit or sharing network allocated current info from manualCC_A006 Measured current exceeds configured limit or sharing network allocation by 10 percent + 1 A RMS Contactors opened for 10 seconds and less than 4 automatic retry attempts or charge cable cycled Wall connector will stop charging and retry at most three times before waiting for the cable to be cycled Wall connector internal watchdog timer expired and the unit is about to reboot A software bug or upset caused the watchdog timer to expire Condition will clear upon reboot Charging will be momentarily interrupted The UHF receiver reset behavior has successfully recovered communication with the UHF receiver The charge port (CP) has detected a missing control pilot signal while a charge cable is connected, which usually indicates the charge station does not have power. Charging may not start, and it may be necessary to try a different charge station. info from manualCP_A053 Proximity is detected with no control pilot signal and no digital communications, and the vehicle is not charging. The charge handle is unplugged, or proximity with either a control pilot signal or digital communications is detected. Door is closed but prox or pilot are still sensed The door is detected closed with proximity or pilot detected present The door is detected closed with neither proximity nor pilot detected Charge port door assembly may be broken, door may not operate as designed GB DC charger faulted due to connector issue info from manualCP_A067 GB DC charger sends stop message with connector faulted bit set GB DC charging may not start or may be interrupted. Issue could be caused by charge station Expected user interface (UI) controller area network (CAN) messages are missing. Charge port door may not open when request is made via the user interface (UI) or mobile app. Charge port (CP) does not receive all expected controller area network (CAN) messages from the user interface (UI). Charge port (CP) receives all expected controller area network (CAN) messages from the user interface (UI). Charge port (CP) door may not open with user interface (UI) or mobile app controls. GB CC1 or CC2 unexpectedly disconnected during charge CC1 or CC2 is detected as disconnected while in the active GB DC charging state The door inductive sensor reports the door is closed Charging may be interrupted unexpectedly, possible damage to charge inlet if live disconnected under load DC pin temperature has exceeded the maximum allowed temperature for more than 500ms Charge cable is unplugged or DC pin temperature is irrational Charging may be interrupted unexpectedly The charge port DC pin temperatures have entered a region where its thermal foldback limits are dynamically changing The charge port DC pin temperature hits its active threshold The charge port DC pin temperature drops 5C below its active threshold DC charge current may be limited Silent alert to indicate that the proximity based thermal foldback was detected The CP has detected that the CHAdeMO adapter has measured a temperature at which charging should begin to fold back The CHAdeMO adapter reports a temperature that is higher than desired steady state operation Cleared if the charge cable is disconnected Supercharging is unavailable because the post is out of service The Supercharger reports to the vehicle that the post is out of service The cable is unplugged or the Supercharger reports that it is no longer out of service Charging will not start at supercharger stall PlcForward module detected an error has occured |
| CC_f001 CC_f001_gndMonIntrptLineSide | Critical | Fault | CC_f001 - gnd Mon Intrpt Line Side Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f001_gndMonIntrptLineSide_PT in firmware versions prior to 2017.12. If CC_f001_gndMonIntrptLineSide_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f002 CC_f002_gndMonIntrptLoadSide | Critical | Fault | CC_f002 - gnd Mon Intrpt Load Side Tesla fault code in the Climate Control (CC) module related to gnd mon intrpt load side. |
| CC_f003 CC_f003_CCIDTripped | Critical | Fault | CC_f003 - CCID Tripped Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f003_CCIDTripped_PT in firmware versions prior to 2017.12. If CC_f003_CCIDTripped_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f004 CC_f004_CCIDSelfTestFault | Critical | Fault | CC_f004 - CCID Self Test Fault Tesla fault code in the Climate Control (CC) module related to ccid self test fault. |
| CC_f005 CC_f005_groundedNeutral | Critical | Fault | CC_f005 - grounded Neutral Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f005_groundedNeutral_PT in firmware versions prior to 2017.12. If CC_f005_groundedNeutral_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f006 CC_f006_inputOverCurrent | Critical | Fault | CC_f006 - input Over Current Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f006_inputOverCurrent_PT in firmware versions prior to 2017.12. If CC_f006_inputOverCurrent_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f007 CC_f007_inputOverVoltage | Critical | Fault | CC_f007 - input Over Voltage Tesla fault code in the Climate Control (CC) module. An over-voltage condition was detected at the input of the wall connector?. This alert was formerly named CC_f007_inputOverVoltage_PT in firmware versions prior to 2017.12. If CC_f007_inputOverVoltage_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f008 CC_f008_inputUnderVoltage | Critical | Fault | CC_f008 - input Under Voltage Tesla fault code in the Climate Control (CC) module. An under-voltage condition was detected at the input of the wall connector. This alert was formerly named CC_f008_inputUnderVoltage_PT in firmware versions prior to 2017.12. If CC_f008_inputUnderVoltage_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f009 CC_f009_inputMiswired | Critical | Fault | CC_f009 - input Miswired Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f009_inputMiswired_PT in firmware versions prior to 2017.12. If CC_f009_inputMiswired_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f010 CC_f010_contactorWelded | Critical | Fault | CC_f010 - contactor Welded Tesla fault code in the Climate Control (CC) module. This alert is asserted if the wall connector expects its AC contactor to be open but continues to see voltage on the EV-side (output side) of the contactor. |
| CC_f011 CC_f011_ambientOT | Critical | Fault | CC_f011 - ambient OT Tesla fault code in the Climate Control (CC) module related to ambient ot. |
| CC_f012 CC_f012_wallPlugOT | Critical | Fault | CC_f012 - wall Plug OT Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f012_wallPlugOT_PT in firmware versions prior to 2017.12. If CC_f012_wallPlugOT_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f013 CC_f013_vehConnOT | Critical | Fault | CC_f013 - veh Conn OT Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f013_vehConnOT_PT in firmware versions prior to 2017.12. If CC_f013_vehConnOT_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f014 CC_f014_mcuSelfTestFault | Critical | Fault | CC_f014 - mcu Self Test Fault Tesla fault code in the Climate Control (CC) module related to mcu self test fault. |
| CC_f015 CC_f015_PilotAFault | Critical | Fault | CC_f015 - Pilot A Fault Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f015_PilotAFault_PT? in firmware versions prior to 2017.12. If CC_f015_PilotAFault_PT? appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f016 CC_f016_PilotBFault | Critical | Fault | CC_f016 - Pilot B Fault Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f016_PilotBFault_PT? in firmware versions prior to 2017.12. If CC_f016_PilotBFault_PT? appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f017 CC_f017_PilotCFault | Critical | Fault | CC_f017 - Pilot C Fault Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f017_PilotCFault_PT in firmware versions prior to 2017.12. If CC_f017_PilotCFault_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f018 CC_f018_PilotDFault | Critical | Fault | CC_f018 - Pilot D Fault Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f018_PilotDFault_PT in firmware versions prior to 2017.12. If CC_f018_PilotDFault_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f019 CC_f019_proxDisconnected | Critical | Fault | CC_f019 - prox Disconnected Tesla fault code in the Climate Control (CC) module related to prox disconnected. |
| CC_f020 CC_f020_3vRailIncorrect | Critical | Fault | CC_f020 - 3v Rail Incorrect Tesla fault code in the Climate Control (CC) module related to 3v rail incorrect. |
| CC_f021 CC_f021_CB_noMaster | Critical | Fault | CC_f021 - CB no Master Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f021_CB_noMaster_PT in firmware versions prior to 2017.12. If CC_f021_CB_noMaster_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f022 CC_f022_CB_tooManyMasters | Critical | Fault | CC_f022 - CB too Many Masters Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f022_CB_tooManyMasters_PT in firmware versions prior to 2017.12. If CC_f022_CB_tooManyMasters_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f023 CC_f023_CB_tooManySlaves | Critical | Fault | CC_f023 - CB too Many Slaves Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f023_CB_tooManySlaves_PT? in firmware versions prior to 2017.12. If CC_f023_CB_tooManySlaves_PT? appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f024 CC_f024_CB_masterISetTooLow | Critical | Fault | CC_f024 - CB master I Set Too Low Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f024_CB_masterISetTooLow_PT in firmware versions prior to 2017.12. If CC_f024_CB_masterISetTooLow_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f025 CC_f025_evseTemp | Critical | Fault | CC_f025 - evse Temp Tesla fault code in the Climate Control (CC) module related to evse temp. |
| CC_f026 CC_f026_wallPlugTemp | Critical | Fault | CC_f026 - wall Plug Temp Tesla fault code in the Climate Control (CC) module related to wall plug temp. |
| CC_f027 CC_f027_vehicleHandleTemp | Critical | Fault | CC_f027 - vehicle Handle Temp Tesla fault code in the Climate Control (CC) module. There is a short or an open circuit in the Gen 2 or Gen 3 Wall Connector handle (vehicle connector) temperature sensor. |
| CC_f028 CC_f028_CB_rotarySelect | Critical | Fault | CC_f028 - CB rotary Select Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f028_CB_rotarySelect_PT in firmware versions prior to 2017.12. If CC_f028_CB_rotarySelect_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f029 CC_f029_PilotFFault | Critical | Fault | CC_f029 - Pilot F Fault Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f029_PilotDFault in firmware versions prior to 17.28.27 and CC_f029_PilotDFault_PT in firmware versions prior to 2017.12??. If CC_f029_PilotDFault or CC_f029_PilotDFault_PT appear on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f030 CC_f030_masterSlaveMismatch | Critical | Fault | CC_f030 - master Slave Mismatch Tesla fault code in the Climate Control (CC) module. This alert was formerly named CC_f030_masterSlaveMismatch_PT in firmware versions prior to 2017.12. If CC_f030_masterSlaveMismatch_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version. |
| CC_f031 CC_f031_pllLockLost | Critical | Fault | CC_f031 - pll Lock Lost Tesla fault code in the Climate Control (CC) module related to pll lock lost. |
| CC_f032 CC_f032_meteringFailure | Critical | Fault | CC_f032 - metering Failure Tesla fault code in the Climate Control (CC) module related to metering failure. |
| CC_f033 CC_f033_vRefOutOfRange | Critical | Fault | CC_f033 - v Ref Out Of Range Tesla fault code in the Climate Control (CC) module related to v ref out of range. |
| CC_f036 CC_f036_contactorStuckOpen | Critical | Fault | CC_f036 - contactor Stuck Open Tesla fault code in the Climate Control (CC) module related to contactor stuck open. |
| CC_f037 CC_f037_intModuleWdtExpired | Critical | Fault | CC_f037 - int Module Wdt Expired Tesla fault code in the Climate Control (CC) module related to int module wdt expired. |
| CC_f038 CC_f038_internalModuleMia | Critical | Fault | CC_f038 - internal Module Mia Tesla fault code in the Climate Control (CC) module related to internal module mia. |
| CC_f039 CC_f039_internalModuleOverTemp | Critical | Fault | CC_f039 - internal Module Over Temp Tesla fault code in the Climate Control (CC) module related to internal module over temp. |
| CC_f040 CC_f040_handleTempFoldback | Critical | Fault | CC_f040 - handle Temp Foldback Tesla fault code in the Climate Control (CC) module related to handle temp foldback. |
| CC_f041 CC_f041_inputWiringFoldback | Critical | Fault | CC_f041 - input Wiring Foldback Tesla fault code in the Climate Control (CC) module related to input wiring foldback. |