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Home >> Jeep >> 2004 >> Wrangler SE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Powertrain Diagnostic Procedures >> DRIVEABILITY - Gas >> DTC P0601: Pcm Internal Controller Failure >> When Monitored and Set Condition:

When Monitored and Set Condition:

P0601-PCM INTERNAL CONTROLLER FAILURE

When Monitored: Ignition key on.

Set Condition: Internal checksum for software failed, does not match calculated value.

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