LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2020 >> Spark LS, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications >> Diagnostic Information and Procedures >> DTC U0078 >> Circuit/System Description
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.

Circuit/System Description

The low speed GMLAN serial data bus is used to communicate information between the low speed GMLAN devices. The serial data is transmitted over a single wire to the appropriate devices.