LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 956 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U2099 >> Reference Information
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Reference Information

WARNING: This page is about a different car, the 2008 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference 

Data Communication Schematics 

Connector End View Reference 

Component Connector End Views

Description and Operation 

Data Link Communications Description and Operation 

Electrical Information Reference