Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1095 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)
2011 Cadillac Escalade Base, AWD
Section 1095 (Cellular System, Entertainment System, And Navigation System)
2011 Cadillac Escalade Base, AWDSECTION Section 1095 (Cellular System, Entertainment System, And Navigation System)
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Cellular, Entertainment, and Navigation
- DTC B0997
- DTC B101D
- DTC B101E
- DTC B1020
- DTC B1024 (with Bose GMLAN Amplifier)
- DTC B1025-B1125
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B125C or B125D
- DTC B1265
- DTC B1271
- DTC B1278 or B1279
- DTC 128A
- DTC 128D
- DTC B1283-B1286
- DTC B1287
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2455
- DTC B2462
- DTC B2470
- DTC B2476 or B2482
- DTC B2483 or B2484
- Symptoms - Cellular Communication
- Symptoms - Entertainment
- Audio System Troubleshooting Hints
- Digital Radio Poor or No Reception
- Digital Radio Receiver Setup
- OnStar Global Positioning System (GPS) Data Not Current or Inaccurate
- OnStar Microphone Inoperative - Caller Cannot Be Heard
- Navigation System - Voice Guidance Inoperative or Degraded Quality
- Navigation System - Voice Recognition Inoperative
- No (or Noisy) OnStar Audio
- No Global Positioning System (GPS) Reception
- Noise Compensated Volume Inoperative
- OnStar Button LED Inoperative
- OnStar Call Center Remote Function Requests Inoperative
- OnStar One or More Buttons Inoperative
- OnStar Reconfiguration (with TIS 2 Web Gen 4 and later)
- OnStar Steering Wheel Control Functions Inoperative
- OnStar Symptom Diagnosis
- Radio Displays LOC, LOCKED, or CODE
- Radio Poor Reception
- Radio Setup (Without Navigation - U2S, U2R)
- Speaker Replacement Reference
- Speaker Malfunction
- Unable to Contact OnStar Call Center
- OnStar Voice Recognition Inoperative
- Repair Instructions
- Mobile Telephone Microphone Replacement
- Communication Interface Module Replacement
- Radio Replacement
- Radio Control Assembly Replacement (with Navigation Display)
- Radio Control Assembly Replacement (without Navigation Display)
- Radio Volume Compensator Interior Noise Microphone Replacement
- Radio Speaker Amplifier Replacement (With UQA)
- Radio Speaker Amplifier Replacement (with UQS)
- Navigation Information Display Opening Cover Replacement
- Mobile Telephone Digital Antenna Replacement
- Television Antenna Amplifier Replacement
- Radio Antenna Module Replacement
- Television Antenna Cable Replacement
- Television Tuner Replacement
- Mobile Telephone and Vehicle Location Antenna Base Replacement
- Navigation and Traffic Data Antenna Replacement
- Navigation Antenna Replacement
- Radio, Video, Audio Disc Player, and Navigation Information Display Replacement
- Radio Front Speaker Replacement
- Radio Front Side Door Lower Speaker Replacement
- Radio Rear Speaker Replacement
- Radio Rear Side Door Speaker Replacement
- Description and Operation
- Navigation System Description and Operation
- Navigation System Components
- Infotainment Faceplate Control Module
- Navigation Radio
- Touch - Screen Color Display Module
- Color Display Module Actuator
- Remote Auxiliary Jack/USB Adapter
- Global Positioning System (GPS) Antenna
- TV and VICS Antenna
- TV Antenna Module
- TV Antenna Amplifier
- VICS Module
- VICS Optical Beacon Antenna
- Browser
- Planning a Route
- Beam
- Voice Recognition
- OnStar Description and Operation
- Notes
- New Features
- Vehicle Communication Interface Module (VCIM)
- OnStar® Button Assembly
- OnStar® Microphone
- Cellular and Navigation Antennas
- OnStar® Sleep Cycle
- Deactivated OnStar® Accounts
- OnStar® Reconfiguration Procedure
- OnStar® Cellular, GPS, and Diagnostic Limitations
- OnStar® Personal Calling
- Operation of the Hands Free Cellular Phone
- OnStar® Steering Wheel Controls
- OPC Features
- Voice Feedback
- OPC Security/System Lock
- Nametags
- Mobile Identification Number and Mobile Directory Number
- Placing a Call
- Operation of the OnStar® Speech Recognition Systems
- Radio/Audio System Description and Operation
- Navigation System Description and Operation
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.