LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2017 >> Forte LX, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electric Stability Program Diagnosis >> DTC C1503-01: TCS/ESC (ESP) Switch Circuit Error >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Signal monitoring
  1. Poor connector connection
  2. Open/short in circuit of ESC/ESP OFF switch
  3. Faulty HECU
Enable Condition
  • Ignition "ON"
  • No related DTC is stored
Threshold Value
  • ESC/ESP OFF switch "ON" signal is received for more than 60s.
Disable Condition
  • Ignition "OFF" and then "ON"
Warning Lamp
  • -
Failsafe
  • ESC/ESP OFF switch signal is ignored and normal system operation
scientia non olet · About LEMON Manuals