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DTC P0890 At Relay - Low 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 ≤ 0.5V
Diagnostic Time 
  • 1 second
Fail Safe 
  • Locked in 3 rd gear (control relay off).
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