DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2) [11/2021 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0010.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory
P0012	Camshaft Position "A" - Timing Over-Retarded (Bank 1)	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 (1 trip detection logic).	Camshaft timing gear assembly (bank 1) Camshaft timing control motor (bank 1) ECM	Comes on	DTC stored
P0022	Camshaft Position "A" - Timing Over-Retarded (Bank 2)	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 (1 trip detection logic).	Camshaft timing gear assembly (bank 2) Camshaft timing control motor (bank 2) ECM	Comes on	DTC stored

SYMPTOMS AND FAIL-SAFE OPERATION DURING CAMSHAFT CONTROL MOTOR MALFUNCTION

Vehicle Condition	Fail-Safe
Deterioration of driving performance as result of engine combustion degradation Engine output deficiency	Power to camshaft timing control motor is cut Valve timing of bank that is operating normally is fixed at maximum retard angle