LEMON Manuals: Even more car manuals for everyone: 1960-2025

Home >> Volvo >> 2000 >> S70 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Turbo >> Diagnostic Tests >> P0506, P0507/ECM-990A: Control Module, Internal Fault >> Fault Conditions

April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fault Conditions

ECM-990A is stored ECM if idle speed deviates from tolerance.

scientia non olet · About LEMON Manuals