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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B0163, B0183, or B1405 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

B0163 02, B0163 05, B0183 02, B0183 05 

The system will use the last valid values as a default.

B1405 02, B1405 05 

If no value is read at the time of fault, the HVAC control module uses 0 W/m2 as intensity.