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Home >> Plymouth >> 1996 >> Neon L4-2.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> PCM Related Trouble Code Messages >> Internal Controller Failure
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Internal Controller Failure

WHEN MONITORED
With the ignition ON

SET CONDITION
There is an EPROM sum check failure at power down.

THEORY OF OPERATION
This code indicates the EPROM memory may be corrupt.

PROBABLE CAUSES
- Failed PCM