Mike's Workshop Manuals
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Jeep
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2023
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Grand Cherokee 4xe
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P04C2 To P0523
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DTC Troubleshooting
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P04CA Fuel Fill Door Open Request Sensor / Switch Circuit Low
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Set Condition
Set Condition
The PCM detects that the Fuel Door Release Switch circuit voltage is below 0.25 volts for 1.7 seconds.