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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (HVAC System - Manual) >> Diagnostic Information and Procedures >> DTC B393D: Air Conditioning Indicator Circuit Short to Ground >> Diagnostic Fault Information

Diagnostic Fault Information

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.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
A/C LED Control B393D 02 1 2 -
A/C LED Ground - 1 - -
1. A/C LED Always OFF
2. A/C LED Always ON