LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1997 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Body Control Modules) >> Diagnostic Tests >> DTC B3031: Key Decoder Device In Learn Mode >> Diagnostic Aids
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Aids

WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.

If DTC is history, problem may be intermittent. Perform test procedure while wiggling wiring and connectors. Visually inspect connectors and circuits.