Tuesday, July 30, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 345


- Audio Output 3 Left Rear Circuit Open



DTC B1055 01



- Audio Output 4 Right Rear Circuit Short to Battery



DTC B1055 02



- Audio Output 4 Right Rear Circuit Short to Ground



DTC B1055 04



- Audio Output 4 Right Rear Circuit Open



DTC B1065 01



- Audio Output 5 Circuit Short to Battery (Center IP)



DTC B1065 02



- Audio Output 5 Circuit Short to Ground (Center IP)



DTC B1065 04



- Audio Output 5 Circuit Open (Center IP)



DTC B1075 01



- Audio Output 6 Circuit Short to Battery (Subwoofer)



DTC B1075 02



- Audio Output 6 Circuit Short to Ground (Subwoofer)



DTC B1075 04



- Audio Output 6 Circuit Open (Subwoofer)



DTC B1085 01



- Audio Output 7 Circuit Short to Battery (LR D-Pillar)



DTC B1085 02



- Audio Output 7 Circuit Short to Ground (LR D-Pillar)



DTC B1085 04



- Audio Output 7 Circuit Open (LR D-Pillar)



DTC B1095 01



- Audio Output 8 Circuit Short to Battery (RR D-Pillar)



DTC B1095 02



- Audio Output 8 Circuit Short to Ground (RR D-Pillar)



DTC B1095 04



- Audio Output 8 Circuit Open (RR D-Pillar)



Diagnostic Fault Information



Circuit/System Description



Each of the audio output channel circuits (+) and (-), at the radio and audio amplifier have a DC bias voltage that is one half of the battery voltage.



When using a DMM, each of the audio output channel circuits will measure approximately 6.5V DC. The audio being played on the system is

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