FixVault
Home › Genesis › 2021 › GV80 3.5T Advanced › Repair and Diagnosis › Transmission › Transmission Control Systems › 4WD Control Diagnosis › DTC P1940-00: Control Module - Internal H/W Error › DTC Information And Inspection › DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • 4WD ECU internal monitoring
  1. H/W error in 4WD ECU
Prerequisite Condition
  • Turn ignition switch ON
Threshold Value
  • H/W error in 4WD ECU
Diagnostic Time
  • 10 ms
Fail Mode
  • Do not control 4WD
About FixVault