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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Driver Assistance System) >> BSW >> DTC/Circuit Diagnosis >> DTC C1A15: Gear Position >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC (On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1A15 (15) GEAR POSITION A mismatch between an current gear position signal transmitted from TCM via CAN communication and a gear position calculated by the ADAS control unit continues for approximately 11 minutes or more
  • Input speed sensor
  • Vehicle speed sensor A/T (output speed sensor)
  • TCM
NOTE: If DTC "C1A15" is detected along with DTC "U1000", "C1A03", or "C1A04", first diagnose the DTC "U1000", "C1A03", or "C1A04".