Did you perform the IPC diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

1. Disconnect engine control module (ECM) connector C2.
2. Turn ON the ignition, with the engine OFF.

Is the FUEL CAP lamp illuminated?

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Go to Step 3

Go to Step 4

Test the control circuit of the fuel cap indicator for a short to ground. Refer to Testing for Short to Ground and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 6

Go to Step 5

Replace the ECM. Refer to Engine Control Module Replacement/Programming .

Did you complete the replacement?

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Go to Step 6

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Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

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Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2