Diagnostic Aids
WARNING: This page is about a different car, the 2001 Pontiac Grand Prix, 2001 Pontiac Firebird, 2001 Oldsmobile Intrigue, and 2001 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
Solenoid valve circuit and solenoid coil are internal to EBCM. No part of solenoid circuit is diagnosable external to EBCM. DTC sets when there is a malfunction in solenoid circuit internal to EBCM only.