2010 Cadillac CTS Sedan AWD V6-3.6L Page 307
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
B1055
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)
