Schematic Reference: Engine Cooling Schematics

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Verify the coolant level is at the proper level in the surge tank.
2. Start the vehicle.

Is the low coolant message displayed on the instrument panel cluster (IPC)?

Go to Step 3

Go to Testing for Electrical Intermittents in Wiring Systems

Reprogram the HVAC control module. Refer to Service Programming System (SPS) .

Did you complete the reprogram?

Go to Step 4

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2