Computer/Integrating Systems
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Computer/Integrating Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC Table
- DTC B0001: Over Voltage
- DTC B0019 or B0020: EEPROM Error Or RAM Failure
- DTC B1000: Electronic Control Unit (ECU) Performance
- DTC B1009: EEPROM Checksum Mismatch
- DTC B1013: Calibration Read Only Memory (ROM) Checksum Error
- DTC B1014: ROM Checksum Error
- DTC B1019: ROM Configuration Mismatch
- DTC B3924: Wrong Environment Identifier Received From BCM
- DTC P1611: Wrong Security Code Entered
- DTC U0001: High Speed CAN Communication Bus
- DTC U0100 To U0299: Lost Communication With Transmission Control Module (TCM) Or Electronic Brake Control Module (EBCM)
- DTC U1304: Loss Communication with UART System
- DTC U2100: Controller Area Network (CAN) Bus Communication
- DTC U2105 To U2199: Lost Communication With Engine Control Module (ECM)
- Symptoms - Computer/Integrating Systems
- Scan Tool Does Not Communicate with UART Device
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with GMLAN Device
- Retained Accessory Power (RAP) On After Timeout
- Retained Accessory Power (RAP) Inoperative
- Control Module References
- Data Link References
- Repair Instructions
- Description and Operation