Step  | Action  | Yes  | No  | 
|---|---|---|---|
1  | Did you perform the Diagnostic System Check - Vehicle?  | Go to Step 2  | Go to Control Module References in Vehicle DTC Information  | 
2  | 
 Does the warning indicator illuminate during the bulb check?  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | 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 4  | --  | 
4  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 2  |