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Home >> Chevrolet >> 2005 >> Cobalt SS >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Theft Deterrent System >> Diagnostic Information and Procedures >> Security Indicator Always On or Flashing

Security Indicator Always On or Flashing

Security Indicator Always On or Flashing

Step Action Yes No
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 With a scan tool, command the security indicator ON, then OFF.
Does the security indicator turn on and off with each command?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Disconnect the body control module (BCM) connector containing the security indicator control circuit.
Does the security indicator remain illuminated?
Go to Step 4  Go to Step 5 
4 Test the security indicator control circuit 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 9  Go to Step 6 
5 Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections andConnector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
6 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 9  Go to Step 8 
7 Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 9  -
8 Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 9  -
9 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3