LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2004 >> S80 Base, 2.5 59, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 7 Of 11 >> ECM-431D: Leak Diagnostic Unit. Faulty Signal (B5254T2; 2004) >> Fault-tracing >> DMTL, test result = "Problem found"
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DMTL, test result = "Problem found"

Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.

Check the hose between the leak diagnostic unit and the EVAP canister. Check for blockages.

Try a new leak diagnostic unit if no fault is found during the above fault-tracing.