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Home >> Hyundai >> 2012 >> Tucson GL, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key - Power Distribution Module Diagnosis >> DTC B1602: CAN Error >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication status
  • Short to battery/ground in CAN high circuit
  • Short to battery/ground in CAN low circuit
  • Short between CAN high and CAN low circuit
  • Open or poor connection in CAN high and low circuit.
  • Faulty IPM
Enable Conditions
  • IG "ON"
  • Engine "START"
  • B/T voltage energized to PDM
Threshold Value CAN high 0 V Short to ground
B+ V Short to battery
CAN low 0 V Short to ground
B+ V Short to battery
Diagnostic Time
  • Failure has been continued for 2 sec.
DTC Erasing Time
  • DTC is erased immediately after trouble fixed (In case of the past error, perform DTC erasing procedure.)