Data Communications
- Specifications
- Schematic Wiring Diagrams
- Data Communication Wiring Schematics
- Serial Data Gateway Module and Data Link Connector Power and Ground
- Low Speed GMLAN
- Isolated Low Speed GMLAN
- Isolated High Speed GMLAN (UE1+LHD)
- High Speed GMLAN (LHD)
- High Speed GMLAN (Right Hand Drive)
- High Speed Chassis CAN (FX3)
- Ethernet Bus
- Data Communication Enable
- Local Interconnect Network (LIN 1 of 2)
- Local Interconnect Network (LIN 2 of 2)
- Body Control System Wiring Schematics
- Data Communication Wiring Schematics
- Diagnostic Information and Procedures
- Control Module U Code List
- DTC B1000
- DTC B1001
- DTC B101D
- DTC B101E
- DTC B2B12 or B2B13
- DTC C056D
- DTC C056E
- DTC P0601-P0607, P060A-P060C, P0610, P062F, P0630, P16E9-P16F3, P16F9, P16FD, P16FE, P262B, P30D6-P30DD, P3186, or P3996
- DTC U0020
- DTC U0073 or U2100
- DTC U0077
- DTC U0078
- DTC U007B
- DTC U007C
- DTC U007D
- DTC U0100 - U02FF
- 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 U0300 - U0336
- DTC U0400 - U05FF
- DTC U1340-U135F
- 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 U1500-U15FF
- 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 U1814
- DTC U184A
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U184C
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U18AF-U18B4
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC U18B9-U18BF
- DTC U18D5
- 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 Instructions
- DTC U18D7
- 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 Instructions
- DTC U1980
- DTC U2099
- DTC U2413
- DTC U2415
- DTC U3000
- DTC U3012
- Symptoms - Data Communications
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Chassis High Speed GMLAN Device
- Scan Tool Does Not Communicate with Gateway Expansion High Speed GMLAN Device
- Scan Tool Does Not Communicate with Gateway Isolated High Speed GMLAN Device
- Scan Tool Does Not Communicate with Gateway Isolated Low Speed GMLAN Device
- 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 Vehicle
- Repair Instructions
- Description and Operation
- Body Control System Description and Operation
- Data Link Communications Description and Operation
- Notes
- Data Link Communications Overview
- K9 Body Control Module (BCM)
- K56 Serial Data Gateway Module (Gen 3)
- High Speed GMLAN Bus (Circuits 2500 & 2501)
- High Speed DLC Bus (Circuits 1978 & 1979)
- Chassis High Speed GMLAN Bus (Circuits 6105 & 6106) (if equipped)
- Chassis High Speed DLC Bus (Circuits 1980 & 1981)
- Powertrain High Speed GMLAN Bus (Circuits 7493 & 7494) (if equipped)
- Powertrain Sensor High Speed GMLAN Bus (Circuits 4498 & 4499) (if equipped)
- Object High Speed GMLAN Bus (Circuits 3811 & 3813) (if equipped)
- Object High Speed DLC Bus (Circuits 2089 & 2090)
- Gateway Isolated High Speed GMLAN Bus (Circuits 1304 & 1305)
- Gateway Expansion High Speed GMLAN Bus (Circuits 3935 & 3936)
- Ethernet Bus (if equipped)
- Media Oriented Systems Transport (MOST) Bus (Circuits 3997 & 3998) (if equipped)
- FlexRay Bus (if equipped)
- Low Speed GMLAN Bus (Circuit 5060)
- Low Speed DLC Bus (Circuit 2100)
- Gateway Isolated Low Speed GMLAN Bus (Circuit 1102)
- Local Interconnect Network (LIN) Bus
- Communication Enable Circuit Description
- X84 Data Link Connector (DLC)
- Serial Data Reference