Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Internal Controller Failure

Name of code: 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.

Possible causes:

- Failed Powertrain Control Module (PCM).