DTC U0424-537: Invalid Data Received from HVAC Control Module [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
If there is a malfunction in the air conditioning amplifier assembly, DTC U0424-537 will be stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| U0424-537 | Invalid Data Received from HVAC Control Module | Air conditioning amplifier assembly malfunction: The hybrid vehicle control ECU assembly receives a communication error signal from the air conditioning amplifier assembly. (1 trip detection logic) |
Air conditioning amplifier assembly | Does not come on | Master Warning Light: Does not come on |