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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1463 (DATA COMMUNICATION SYSTEM)
2011 Cadillac Escalade Base, AWD
Section 1463 (Data Communication System)
2011 Cadillac Escalade Base, AWDSECTION Section 1463 (Data Communication System)
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Data Communications
- Control Module U Code List
- DTC B1000
- DTC B1001
- DTC B1009
- DTC B101D
- DTC B101E
- DTC B1016
- DTC B137A
- DTC B137B
- 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 C0550
- DTC U0020
- DTC U0073 or U2100
- DTC U0074
- DTC U0100-U0299
- Diagnostic Instructions
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC C126C, C126D, C12E3, or U180F
- DTC U1500
- DTC U1511
- DTC U1814
- DTC U1815
- Diagnostic Instructions
- DTC Descriptor
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC U1817
- DTC U1818
- Diagnostic Instructions
- DTC Descriptor
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC U1820
- DTC U182A
- Diagnostic Instructions
- DTC Descriptor
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC U1842
- DTC U1843
- DTC U1862
- DTC U1863
- DTC U1866-U1899
- DTC U186A
- DTC U1875
- DTC U1876
- DTC U1878
- DTC U1879
- DTC U1885
- DTC U1888
- DTC U2099
- DTC U209A
- DTC U2103
- DTC U2105-U2199 (Except U2142 and U2143)
- Diagnostic Instructions (Except U2142 and U2143)
- DTC Descriptors (Except U2142 and U2143)
- Diagnostic Fault Information (Except U2142 and U2143)
- Circuit/System Description (Except U2142 and U2143)
- Conditions for Running the DTC (Except U2142 and U2143)
- Conditions for Setting the DTC (Except U2142 and U2143)
- Action Taken When the DTC Sets (Except U2142 and U2143)
- Conditions for Clearing the DTC (Except U2142 and U2143)
- Diagnostic Aids (Except U2142 and U2143)
- Reference Information (Except U2142 and U2143)
- Circuit/System Testing (Except U2142 and U2143)
- Repair Procedures (Except U2142 and U2143)
- DTC U2105-U2199 (U2142 or U2143 only)
- Diagnostic Instructions (U2142 or U2143 only)
- DTC Descriptors (U2142 or U2143 only)
- Diagnostic Fault Information (U2142 or U2143 only)
- Circuit/System Description (U2142 or U2143 only)
- Conditions for Running the DTC (U2142 or U2143 only)
- Conditions for Setting the DTC (U2142 or U2143 only)
- Action Taken When the DTC Sets (U2142 or U2143 only)
- Conditions for Clearing the DTC (U2142 or U2143 only)
- Diagnostic Aids (U2142 or U2143 only)
- Reference Information (U2142 or U2143 only)
- Circuit/System Testing (U2142 or U2143 only)
- Repair Procedures (U2142 or U2143 only)
- Symptoms - Data Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with High Speed GMLAN Device
- Scan Tool Does Not Communicate with Low Speed GMLAN Device
- Scan Tool Does Not Communicate with Powertrain High Speed GMLAN Device
- Data Link References
- Repair Instructions
- Description and Operation
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.