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Home >> Kia >> 2016 >> Forte EX >> Repair and Diagnosis >> Brakes >> Traction Control >> Electric Stability Program Diagnosis >> DTC C2131: ESS Brake Lamp Relay Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Voltage Monitoring
  1. Open or short in the ESS brake lamp relay (ESS relay) circuit
  2. Faulty ESS brake lamp relay (ESS relay)
Monitoring Period
  • During ESS activation, the fault is detected with mismatch between the corresponding lamp actuation signal and electrical feedback signal more than 600ms.
Fail Safe
  • -
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