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Home >> Hyundai >> 2009 >> Azera GLS >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (A5HF1) >> Automatic Transaxle System >> Service Adjustment Procedure >> DTC P0891 At Relay - Open Circuit >> DTC Detecting Condition
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DTC P0891 At Relay - Open Circuit: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
DTC Strategy 
  • Check voltage range
  • Open or short in circuit
  • Faulty A/T control relay
  • Faulty PCM/TCM
Enable Conditions 
  • 16V > Voltage Battery > 11V
  • A/T Relay = ON
Threshold value 
  • Feedback Voltage ≥ 20V
Diagnostic Time 
  • 1 second
Fail Safe 
  • Locked in 3 rd gear, (control relay off)
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