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

With Scan Tool

SWS TROUBLE CODE DIAGNOSIS

RETRIEVING SWS DIAGNOSTIC TROUBLE CODES

Required Special Tool:
- MB991502: Scan Tool (MUT-11)

CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.

1. Connect scan tool MB991502 to the data link connector.
2. Use scan tool MB991502 to check for SWS diagnostic trouble codes.
3. Turn the ignition switch to the "LOCK" (OFF) position.
4. Disconnect scan tool MB991502.