LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2020 >> Enclave Premium, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communications - Diagnostic Information And Procedures (1 Of 2) >> Diagnostic Information and Procedures >> DTC B2B12 or B2B13 >> Circuit/System Description

Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the device. The device monitors its ability to read and write to the memory. No external circuits are involved.