Home >> Toyota >> 2004 >> Avalon XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Diagnostics >> DTC P0011: Camshaft Position "A" - Timing Over - Advanced or System Performance (Bank 1), DTC P0012: Camshaft Position "A" - Timing Over - Retarded (Bank 1), DTC P0021: Camshaft Position "A" - Timing Over - Advanced or System Performance (Bank 2), DTC P0022: Camshaft Position "A" - Timing Over - Retarded (Bank 2) >> Circuit Description