Test Step 4 - Test for Additional Communication Related DTCs

• With the scan tool, select network diagnostics.

Is there more than one module with active DTCs logged against the HVAC control module?

Yes

• Replace/update the HVAC control module. Refer to [For engine(s) CJRA, CGUA, CGVA] Removal and Installation .
• Perform the Body Verification Test. Refer to BODY VERIFICATION TEST .

No

• Go to Test Step 5 Test Step 5 - Clear DTCs in the Module Setting the Fault .