Section 66 (Data Communication System)
WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- Control Module U Code List
- DTC B1000: Electronic Control Unit, Object Detection
- DTC B1001: Option Configuration Error
- DTC B1016: VIN Not Programmed
- DTC B101D: Electronic Control Unit Hardware
- DTC B101E: Electronic Control Unit Software
- DTC C0550: Electronic Control Unit
- DTC U0020: Low Speed CAN Communication Bus Performance
- DTC U0073 or U2100: Control Module Communication Bus Off, ECU Bus Off, Controller Area Network (CAN) Bus Communication
- DTC U0074: Control Module Communication Powertrain Expansion CAN Bus Off Malfunction
- DTC U0100 - U02FF: Control Module
- 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 Instructions
- DTC U0400 - U05FF: Control Module
- DTC U1500, U1511, U1512, or U1513: Inter-Device Dedicated Bus 1 Short, Electronic Control Unit (ECU) Performance General Checksum Failure, Inter-device Dedicated Bus Lost Communication With Device
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U1500-U15FF: Control Module
- DTC U1814: Powertrain High Speed Communication Enable Circuit
- DTC U18A2: Lost Communication with Fuel Pump Driver Control Module
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U2099: High Speed Communication Enable Circuit
- DTC U2103: Fewer Controllers On Than Programmed
- DTC U2105-U2199: Lost Communication With Yaw Rate Sensor (YRS), Steering Position Signal
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U2616: Fuel Pump Driver Control Module Lost Communication with ECM
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- 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
- Data Link References
- Repair Instructions
- Description and Operation