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1999
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Wrangler L6-4.0L VIN S
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A L L Diagnostic Trouble Codes ( DTC )
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Internal Diagnostics 4 (Active)
Internal Diagnostics 4 (Active)
SYMPTOM
INTERNAL DIAGNOSTICS 4 (ACTIVE)
TEST NOTE
This symptom is diagnosed using the test INTERNAL DIAGNOSTICS 3 (ACTIVE).
POSSIBLE CAUSES
-
Internal diagnostic 3 and 4