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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC C1A05: Brake Switch/Stop Lamp Switch Signal Mismatch >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX80. 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
C1A05
(5)		 BRAKE SW/STOP L SW
(Brake switch/Stop lamp switch)		 A mismatch between a stop lamp switch signal and a ICC brake switch signal received from ECM and a stop lamp signal received from the ABS actuator and electric unit (control unit) continues for 10 seconds or more with vehicle speeds at approximately 40 km/h (25 MPH) or more
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