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Home >> Genesis >> 2021 >> GV80 3.5T Advanced+ >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 3.5L (9 Of 9) >> 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

Troubleshooting Condition Possible Cause
Main Action
  • Rationality check
  1. Poor contact of connector
  2. Engine Electronic Control Unit (ECU)
Case 1 Prerequisite Condition
  • The engine coolant temperature is greater than 158°F (70°C)
  • The difference of the intake temperature between when the ignition switch is off and when it is on is greater than 32°F (0°C)
  • The difference between the coolant temperature when the ignition switch is off and the intake temperature when the ignition switch is on is greater than 104°F (40°C)
Threshold Value
  • The engine off time is below the threshold
Case 2 Prerequisite Condition
  • The engine coolant temperature is greater than 158°F (70°C)
  • The difference of the intake temperature between when the ignition switch is off and when the ignition switch is on is less than 104°F (40°C)
  • The difference between the coolant temperature when the ignition switch is off and the intake temperature when the ignition switch is on is less than 68°F (20°C)
Threshold Value
  • The engine off time exceeds the threshold
Diagnostic Time
  • 10 msec (Once per driving cycle)
MIL
  • 2nd driving cycles
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