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)

Or, hide this message: temporarily or permanently

Speed Display Higher Than Actual Speed

When the EEPROM option Byte #2 (Option B) is set for European Economic Community the speedometer tolerance is 0% to +8% of the Actual speed. To verify proper vehicle configuration, refer to "IPC Diagnostic Parameters," specifically IS02 (IPC EEPROM OPTION CONTENT).