LEMON Manuals: Even more car manuals for everyone
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 B0173, B0178, B0509, B0514 or B3933 >> Circuit/System Verification

Circuit/System Verification

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.
  1. Ignition ON.
  2. Verify DTC B3933 is not set.
    • If DTC B3933 is set 

      Refer to Circuit/System Testing - Without Scan Tool Support.

    • Go to next step: If DTC B3933 is not set 
  3. Verify the appropriate temperature sensor has a parameter displayed in HVAC scan tool information.
    • If there is no scan tool parameter 

      Refer to Circuit/System Testing - Without Scan Tool Support.

    • Go to next step: If there is a scan tool parameter 
  4. Refer to Circuit/System Testing - With Scan Tool Support
scientia non olet · About LEMON Manuals