DTC Detection Logic

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC

(On board display)

Trouble diagnosis name

DTC detecting condition

Possible causes

C1A15

(15)

GEAR POSITION

A mismatch between a 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 CVT (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".

Refer to DTC Logic for DTC "U1000".
Refer to DTC Logic for DTC "C1A03".
Refer to DTC Logic for DTC "C1A04".