Home >> Volvo >> 1999 >> C70 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance Diagnostic Trouble Code (DTC) Diagnostics - 14 Of 14 (Convertible) >> ECM-E003: Control Unit, Internal Fault. Signal Faulty. Intermittent Fault (B5244T; 2000-2002) >> Signal faulty. Intermittent fault