DTC U0424-81: HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received [02/2019 - ]: Description
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If the hybrid vehicle control ECU assembly 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 | MIL | Warning Indicate |
|---|---|---|---|---|---|
| U0424-81 | HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received | An invalid control request was received from the air conditioning amplifier assembly (1 trip detection logic) |
Air conditioning amplifier assembly | Does not come on | Master Warning: Does not come on |