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Jeep
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2003
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Grand Cherokee 2WD V8-4.7L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Instrument Cluster
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Checksum Failure
Checksum Failure
Test 1:
SYMPTOM
CHECKSUM FAILURE
WHEN MONITORED
With the ignition on.
SET CONDITION
The Instrument Cluster detects EEPROM failure during the internal self check.
POSSIBLE CAUSES
-
Instrument cluster