Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (On-Board Diagnostic - Start Stop Unit) >> DTC C2003-13: Open Circuit In Steering Switch >> Notes

DTC C2003-13: Open Circuit In Steering Switch: Notes

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC C2003:13 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description Open Circuit In Steering Switch
Detection condition
  • Start stop unit detects an open circuit in the steering switch circuit for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe Not applicable
Possible cause
  • Clock spring connector or terminal malfunction
  • Clock spring malfunction
  • Start stop unit connector or terminal malfunction
  • Open circuit in wiring harness between the following terminals:
    • Start stop unit terminal 1AA-Clock spring (start stop unit side) terminal 1K
      • Start stop unit terminal 1AB-Clock spring (start stop unit side) terminal 1C
  • Steering switch malfunction
  • Start stop unit malfunction
G12237277