FixVault

DTC U0424 - Invalid Data Received From HVAC Control Module

DTC DESCRIPTION U0424 - INVALID DATA RECEIVED FROM HVAC CONTROL MODULE

Description:  This DTC sets when the SOBDMC receives an invalid message from the HVAC control module.
Possible Causes: 
  • Incorrect HVAC control module programmable module installation (PMI) configuration
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST QD .