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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B1370-B1379, B1380-B1389, or B1440-B1443: Control Module Ignition >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

An open in the ignition switch B+ circuit or circuit fuse will cause the key in ignition warning chime to be inoperative.