Operation CHARM: Car repair manuals for everyone.
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)

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PCM Programming Procedures

Follow one of the procedures that describe the type of repair you performed:

Replaced the PCM (New)
^ Program the PCM (Flash).
^ Operate the engine until the Engine Control Temperature (ECT) is more than 77°C (170°F) - auto top dead center (TDC) offset.

Reprogram (Reflash) the PCM
Operate the engine until the ECT is more than 77°C (170°F) (auto TDC offset).

Disconnect PCM/Reuse
The memory is OK.