DTC U0424-537: Invalid Data Received from HVAC Control Module: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK DTC OUTPUT (A/C)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
- Check if DTCs related to the air conditioning system (A/C) are output.
Result
Result Proceed to DTCs related to A/C are not output. A DTCs related to A/C are output (for Automatic Air Conditioning System). B DTCs related to A/C are output (for Manual Air Conditioning System). C
B → See step 3
C → See step 4
A → See step 2
- REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL
- CHECK AIR CONDITIONING SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- CHECK AIR CONDITIONING SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING