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
Component Tests and General Diagnostics
Engine Control Module (Diagnostic Trouble Code No.31):
The following test is used when the Malfunction Indicator Lamp is triggered as the Diagnostic Trouble Code
(DTC) No. 31 is stored.
DTC
No. 31 Engine Control Module Failure.
