Exhaust Valve Control Solenoid Circuit Range/Performance Bank 2
The ECU detects that the exhaust camshaft oil control valve on bank 2 does not respond to commanded duty cycle within expected limits. Camshaft phase deviates from target during phaser actuation tests.
Affected components
- Exhaust camshaft oil control valve
- Camshaft phaser
- Engine oil
- Timing chain
Common causes
- High likelihood: Oil control valve clogged with sludge
- Medium likelihood: Low oil pressure or wrong oil viscosity
- Medium likelihood: Camshaft phaser worn
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.