TESLA Alert

CP-A143

CP_a143_unsupportedChargeAdapter

System
CP
Charge Port
Type
Alert
Category
Charging
Severity
Alert

What does CP-A143 mean?

Tesla alert code in the Charge Port (CP) module. The charge port detected an unsupported charging adapter An unsupported charging adapter was detected The charge cable and/or adapter is removed Charging will not begin with the unsupported adapter Unable to establish digital communications The CP expires its attempts to establish SWCAN communications The CP establishes SWCAN communictions or proximity state changes Charging may not start or may be interrupted unexpectedly An EVSE using legacy pilot has faulted The EVSE sets pilot to the faulted state Legacy pilot exits the faulted state or the charge cable is unplugged The CCS EVSE detected low isolation during a charge session Set when low isolation is detected by a CCS DC EVSE while DC charging Cleared when EVSE reports nominal isolation, or when EVSE reports low isolation again, or when CCS comms are terminated May result in loss of charging capability, either temporarily or completely if issue is with vehicle Charge port door assembly broken Door potentiometer reads greater than 90% for more than two seconds or potiometer reading wraps around Door potentiometer reads less than 90% for more than one second and potiometer reading does not wrap around for more than four seconds Charge port door may not actuate properly DC pin thermistor open-circuit detected DC pin temperature is less than the open circuit threshold for more than one second DC pin temperature is greater than the open circuit threshold for more than one second Latch is not in the blocking position but is expected to be, Gen 1 and 2 EU charge ports only The latch position sensor indicates the latch is disengaged after the CP has attempted to engage the latch fully, or if the latch is expected to be blocking cable insertion Latch enters the blocking state Latch may not block cable insertion when expected

Original Description

The charge port detected an unsupported charging adapter An unsupported charging adapter was detected The charge cable and/or adapter is removed Charging will not begin with the unsupported adapter Unable to establish digital communications The CP expires its attempts to establish SWCAN communications The CP establishes SWCAN communictions or proximity state changes Charging may not start or may be interrupted unexpectedly An EVSE using legacy pilot has faulted The EVSE sets pilot to the faulted state Legacy pilot exits the faulted state or the charge cable is unplugged The CCS EVSE detected low isolation during a charge session Set when low isolation is detected by a CCS DC EVSE while DC charging Cleared when EVSE reports nominal isolation, or when EVSE reports low isolation again, or when CCS comms are terminated May result in loss of charging capability, either temporarily or completely if issue is with vehicle Charge port door assembly broken Door potentiometer reads greater than 90% for more than two seconds or potiometer reading wraps around Door potentiometer reads less than 90% for more than one second and potiometer reading does not wrap around for more than four seconds Charge port door may not actuate properly DC pin thermistor open-circuit detected DC pin temperature is less than the open circuit threshold for more than one second DC pin temperature is greater than the open circuit threshold for more than one second Latch is not in the blocking position but is expected to be, Gen 1 and 2 EU charge ports only The latch position sensor indicates the latch is disengaged after the CP has attempted to engage the latch fully, or if the latch is expected to be blocking cable insertion Latch enters the blocking state Latch may not block cable insertion when expected

Severity Notes

CP-A143 is an Alert in the Charge Port system. It is generally safe to continue driving, but have it checked at your next scheduled service.

Other CP Codes

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