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Home › Hyundai › 2012 › Equus Signature › Repair and Diagnosis › Engine Performance › Engine Control Systems › Intelligent ACCEL Pedal Diagnosis › C1646 CAN signal error TCU › General Information › DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Monitoring CAN signal
  1. TCU failure
Enable conditions
  • Ignition on or Engine on
Threshold value
  • Invalid gear position signal is received
Diagnostic Time
  • 0.5sec
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