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

Service Engine Soon Lamp

SYMPTOM
* SERVICE ENGINE SOON LAMP

POSSIBLE CAUSES
- DTC's are present
- Bulb & socket defective
- Service Engine Soon indicator lamp driver circuit open
- Service Engine Soon indicator lamp circuit shorted to ground
- Defective Information Center circuit board
- Powertrain Control Module defective