DTC P0645 KIA

Brake Switch Circuit Failure

Brake Switch Circuit Failure

Description

•Brake switch ON signal is input for 6 min or more when driving at a vehicle speed of 20 km h {12.4 mph} or more. •Brake switch ON signal is not input even though the control module determines vehicle deceleration.

Cause and Solution

•Open or short circuit in wiring harness between the brake switch and PJB terminal•Open or short circuit in wiring harness between the PJB and PCM terminals•Brake switch malfunction•ABS CM malfunction•Poor connection at connectors (female terminal)

Video Guide

Duration: PT4M16S | Uploaded: 2020-05-31

Diagnostic Info

  • DTC Code: P0645
  • Brand: KIA
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