Low Engine Coolant Indicator Always On. Chevrolet Cavalier 2001

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Cavalier 🢒 Engine 🢒 Engine Cooling 🢒 Low Engine Coolant Indicator Always On

Step	Action	Yes	No
Schematic Reference: Body Control System Schematics DEFINITION: The low coolant indicator is always on when the key is in the ON position.
1	Did you perform the Instrument Cluster Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
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 ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. Did you find and correct the condition?	Go to Step 11	Go to Step 10
8	Replace the instrument cluster (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	Important: Perform the recalibration procedure for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration . Replace the BCM. Refer to Body Control Module Replacement in Body Control System. 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