Low Engine Coolant Indicator Always On. Chevrolet Cobalt 2005

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 Cobalt 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Low Engine Coolant Indicator Always On

Low Engine Coolant Indicator Always On LSJ

Step	Action	Yes	No
Schematic Reference: Engine Cooling Schematics Connector End View Reference: Cooling System Connector End Views DEFINITION: The low coolant indicator is always on when the key is in the ON position.
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Turn the ignition ON, with the engine OFF. With a scan tool command the instrument cluster indicators ON and OFF. Does the low coolant indicator lamp turn ON and OFF with each command?	Go to Step 3	Go to Step 5
3	Disconnect the coolant level switch connector. Does the low coolant indicator turn OFF?	Go to Step 6	Go to Step 4
4	Test the signal circuit of the coolant level switch for a short to voltage. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 11	Go to Step 7
5	Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 11	Go to Step 8
6	Inspect for poor connections at the harness connector of the coolant level switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 11	Go to Step 9
7	Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?	Go to Step 11	Go to Step 10
8	Replace the IPC. Refer to Instrument Cluster Replacement . Did you complete the repair?	Go to Step 11	--
9	Replace the coolant level switch. Refer to Radiator Surge Tank Replacement . Did you complete the replacement?	Go to Step 11	--
10	Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?	Go to Step 11	--
11	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2