GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Lumina 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Low Engine Coolant Indicator Always On

Step

Action

Value(s)

Yes

No

1
  1. Disconnect the engine coolant level indicator module connector.
  2. Turn the ignition switch to the RUN position.

Is the low coolant warning indicator ON?

--

Go to Step 2

Go to Step 5

2

Inspect for a short to ground in CKT 68.

Does a short to ground in CKT 68?

--

Go to Step 3

Go to Step 4

3
  1. Repair the short to ground in CKT 68.
  2. Inspect the system.

Is the repair complete?

--

System OK

--

4
  1. Replace the instrument cluster. Refer to Instrument Cluster Replacement .
  2. Inspect the system.

Is the repair complete?

--

System OK

--

5
  1. Replace the engine coolant level indicator module. Refer to Coolant Level Module Replacement in Engine Cooling.
  2. Inspect the system.

Is the repair complete?

--

System OK

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