2010 Cadillac CTS Sedan AWD V6-3.6L Page 485
瀚慖f less than the specified value, replace the antenna coax
5. Test for infinite resistance between the antenna coax outer shield and ground.
瀚慖f less than the specified value, replace the antenna coax
6. Test for less than 5 Ohms at the cellular antenna coax center terminal from end to end.
瀚慖f greater than specified value, replace the cellular antenna coax cable.
7. Test for less than 5 Ohms at the cellular antenna coax outer shield from end to end.
瀚慖f greater than specified value, replace the cellular antenna coax cable.
8. Test for infinite resistance between the antenna coax center terminal and the outer shield.
瀚慖f less than specified value, replace the cellular antenna coax cable.
9. If coax cable tests normal, replace the cellular antenna.
10. Clear the DTCs and operate the vehicle within the conditions for running the DTC. Verify DTC B2470 does not set.
瀚慖f the DTC sets, replace the CIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Digital Radio, Mobile Telephone, and Vehicle Location Base Replacement (See: Accessories and Optional Equipment/Service and Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning)for CIM replacement, setup, and programming
B2476
DTC B2476 or B2482
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) provides an overview of each diagnostic category.
DTC Descriptors
DTC B2476 04
- Cellular Phone Select Service Switch Open Circuit
DTC B2476 59
- Cellular Phone Select Service Switch Stuck Button
DTC B2482 00
- Cellular Phone Select Service Switch Range/Performance
Diagnostic Fault Information
