2010 Cadillac CTS Sedan AWD V6-3.6L Page 329

2010 Cadillac CTS Sedan AWD V6-3.6L Page 329

7. If the circuit tests normal, test or replace the appropriate speaker.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Speaker Replacement Reference (See: Accessories and Optional Equipment/Testing and Inspection/Symptom Related Diagnostic

Procedures/Cellular, Entertainment, and Navigation/Speaker Replacement Reference)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for amplifier replacement, setup, and programming

B1115

DTC B1025-B1125

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provide an overview of each diagnostic category.

DTC Descriptors

DTC B1025 01

- Audio Output 1 Left Front Circuit Short to Battery (LF Door)

DTC B1025 02

- Audio Output 1 Left Front Circuit Short to Ground (LF Door)

DTC B1025 04

- Audio Output 1 Left Front Circuit Open (LF Door)

DTC B1035 01

- Audio Output 2 Right Front Circuit Short to Battery (RF Door)

DTC B1035 02

- Audio Output 2 Right Front Circuit Short to Ground (RF Door)

DTC B1035 04

- Audio Output 2 Right Front Circuit Open (RF Door)

DTC B1045 01

- Audio Output 3 Left Rear Circuit Short to Battery (LR Door)

DTC B1045 02

- Audio Output 3 Left Rear Circuit Short to Ground (LR Door)

DTC B1045 04

- Audio Output 3 Left Rear Circuit Open (LR Door)

DTC B1055 01

- Audio Output 4 Right Rear Circuit Short to Battery (RR Door)

DTC B1055 02

- Audio Output 4 Right Rear Circuit Short to Ground (RR Door)

DTC B1055 04

- Audio Output 4 Right Rear Circuit Open (RR Door)

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)