DTC P0BA7 Chevrolet

IG SW start POS. circuit low

IG SW start POS. circuit low

Description

If the actual ignition switch status is different from the ignition switch status information received from ETACS-ECU via CAN, KOS-ECU sets the diagnostic trouble code No. B2101. Status of ignition switch: ON position, ignition switch position information: OFF

Cause and Solution

Malfunction of CAN bus line Malfunction of the KOS-ECU Malfunction of the ignition switch Damaged wiring harness and connectors Malfunction of ETACS-ECU

Video Guide

Duration: PT4M12S | Uploaded: 2020-07-20

Diagnostic Info

  • DTC Code: P0BA7
  • Brand: Chevrolet
Back to Blog