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Home >> Jeep >> 2008 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0642 To P1602 >> P1602-Pcm Not Programmed >> Possible Causes
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Possible Causes

Possible Causes 
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.