DTC B1203 KIA

Heater Water Temperature Sensor Short(Low)

Heater Water Temperature Sensor Short(Low)

Description

The ECM sets DTC B1203 if there is a short circuit in water temp sensor signal harness or the measured voltage value of the sensor is less than the threshold value(0.1V)

Cause and Solution

Short Circuit in signal harness Faulty water temp. Sensor Faulty A C Control Unit

Video Guide

Duration: PT4M1S | Uploaded: 2020-05-15

Diagnostic Info

  • DTC Code: B1203
  • Brand: KIA
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