DTC U0424-537: Invalid Data Received from HVAC Control Module [02/2014 - 11/2016]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
4. Check if DTCs related to the air conditioning system (A/C) are output.

   Body Electrical > Air Conditioner > Trouble Codes 

   Result

   Proceed to
   DTCs related to A/C are not output.
   DTCs related to A/C are output.

5. Turn the power switch off.

Result:  1

DTCs related to A/C are not output. 

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to  COMPONENTS [02/2014 - ] 

Result:  2

DTCs related to A/C are output. 

GO TO DTC CHART (AIR CONDITIONING SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2014 - 11/2016]