GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2006
🢒
LaCrosse
🢒
Vehicle Control Systems
🢒 Computer/Integrating Systems
Vehicle Control Systems
All Component Locator
Computer/Integrating Systems Component Views
All Description and Operation
Body Control System Description and Operation
Data Link Communications Description and Operation
Power Mode Description and Operation
Retained Accessory Power Description and Operation
All Visual Identification
Computer/Integrating Systems Connector End Views
Cleaning, Inspection, and Adjustment
Body Control Module (BCM) Programming/RPO Configuration
Diagnostic Procedures
Control Module References
Data Link References
Diagnostic Starting Point - Computer/Integrating Systems
Power Mode Mismatch
Retained Accessory Power (RAP) Inoperative
Retained Accessory Power (RAP) On After Timeout
Scan Tool Does Not Communicate with Class 2 Device
Scan Tool Does Not Communicate with High Speed GMLAN Device
Scan Tool Does Not Power Up
Symptoms - Computer/Integrating Systems
Diagnostic Trouble Codes
DTC B1000
DTC B1001
DTC B1004
DTC B1007
DTC B1009
DTC B1013
DTC B1014
DTC B1370
DTC B1380
DTC B1385
DTC B1390
DTC B1420
DTC B1475
DTC C0550
DTC P2535
DTC U0001
DTC U0100-U0299
DTC U1000 and U1255
DTC U1001-U1254
DTC U1300, U1301, or U1305
DTC U2100
DTC U2105-U2199
Electrical/Electronic Schematic Diagrams
Body Control System Schematics
Computer/Integrating Systems Schematic Icons
Data Link Connector Schematics
Retained Accessory Power (RAP) Schematics
General Diagnostic Information
Scan Tool Data Definitions
Scan Tool Data List
Scan Tool Output Controls
Other Specifications
Fastener Tightening Specifications
Removal, Installation, and Replacement
Body Control Module Replacement