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Home >> Jeep >> 2002 >> Wrangler SE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0601: Pcm Internal Controller Failure >> Monitored & Set Conditions
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Monitored & Set Conditions

Circuit is monitored with ignition on. DTC will set if PCM senses internal checksum for software failed and does not match calculated value.

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