Did you perform the instrument cluster diagnostic system check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Did you perform the PCM diagnostic system check?

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Go to Step 3

Go to A Powertrain On Board Diagnostic (OBD) System Check (RPO 3.1L) or Powertrain On Board Diagnostic (OBD) System Check (RPO 3.8L) in Engine Controls

1. Install a Scan Tool.
2. Turn the ignition switch to the RUN position.
3. Establish communication with the instrument cluster.
4. WOW the cluster ON and OFF.

Does the low fuel indicator light toggle ON and OFF?

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Go to Step 4

Go to Step 5

1. Turn the ignition switch to the RUN position.
2. Using a Scan Tool, observe the low fuel indicator lamp input.

Does the low fuel lamp read active with the lamp illuminated?

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Go to A Powertrain On Board Diagnostic (OBD) System Check (RPO 3.5L) or Powertrain On Board Diagnostic (OBD) System Check (RPO 3.8L) in Engine Controls

Go to Step 5

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

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System OK

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