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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P262B-00: Control Module Power Off Timer Performance >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Engine-off timer
  1. Poor Connection
  2. Low battery voltage
Case 1 Prerequisite Conditions
  • Meets warm-up conditions in previous driving cycles
  • Coolant temperature is higher than 70°C (158°F)
  • Difference between the intake air temperature and the intake air temperature when IG ON is 0°C (32°F) or more
  • Difference between the cooling water temperature and the cooling water temperature when IG ON is 40°C (104° F) or more
Threshold Value
  • Engine off timer on key off is too slow to exceed specification
Case 2 Prerequisite Conditions
  • Meets warm-up conditions in previous driving cycles
  • Coolant temperature is higher than 70°C (158°F)
  • Difference between the intake air temperature and the intake air temperature when IG ON is 40°C (104°F) or less
  • Difference between the cooling water temperature and the cooling water temperature when IG ON is 20°C (68°F) or less
Threshold Value
  • Engine off timer on key off too fast to exceed specification
Diagnostic Time
  • 10 msec (once per driving cycle)
MIL
  • 2 Driving Cycle