DTC U0424-81: HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received [11/2020 - 12/2023]: Description
If the EV control ECU receives an invalid compressor control request from the air conditioning amplifier assembly via CAN communication, it will store this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | DTC Output from | Priority |
|---|---|---|---|---|---|---|
| U0424-81 | HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received | Invalid control request received from the air conditioning amplifier assembly (1 trip detection logic) |
Air conditioning amplifier assembly | Master Warning: Does not come on |
EV | B |