DTC P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022 Camshaft Position "A" - Timing Over-Retarded (Bank 2): Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0010

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
P0012	With engine warmed up and while driving in urban area (engine speed 4000 rpm or less), valve timing on bank 1 intake side remains in retarded position for 5 minutes or more (2 trip detection logic)	Camshaft timing gear assembly (bank 1) Camshaft timing control motor (bank 1)
P0022	With engine warmed up and while driving in urban area (engine speed 4000 rpm or less), valve timing on bank 2 intake side remains in retarded position for 5 minutes or more (2 trip detection logic)	Camshaft timing gear assembly (bank 2) Camshaft timing control motor (bank 2)

Symptoms and Fail-safe Operation During Camshaft Control Motor Malfunction

VEHICLE CONDITION CHART

Vehicle Condition	Fail-Safe
Deterioration of driving performance as result of engine combustion degradation Engine output deficiency	Idle speed is increased (misfire prevention), or power to camshaft timing control motor is cut Valve timing of bank that is operating normally is fixed at maximum retard angle