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Home >> Kia >> 2013 >> Soul Base, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key - Power Distribution Module Diagnosis >> DTC B1991: Immobilizer TX Short Circuit To Ground >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Immobilizer data line check (by voltage monitoring)
  1. Short to ground in immobilizer data circuit
Enable Conditions
  • The communication state between the fob and the fob holder when SSB button is pushed. (The fob is in the holder)
Threshold Value
  • Short to ground in immobilizer data circuit (2V and below)
Diagnostic Time
  • Immediately
DTC Erasing Time
  • DTC is erased immediately after trouble fixed (After communication recovery)
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