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Home >> Hyundai >> 2016 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Program/Active Hydraulic Boost System Diagnosis (PHEV) >> DTC C1503-01: TCS/ESC Switch Circuit Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Open circuit monitoring (Switch circuit is short to battery).
  1. Short to power in ESC OFF switch circuit2. Defected ESC OFF switch
Enable Conditions
  • When the TCS/ESC switch is ON for 1 minute.
Reset condition
  • Normal after IG turned on again.
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