Cold Start Camshaft Profile System Performance
On engines with multi-profile (cold-start) cam lobes (e.g. some Honda i-VTEC variants and BMW Valvetronic), the cold-start cam profile actuator is not switching as expected — typically a stuck oil control valve or worn locking pin.
Affected components
- Camshaft
- Oil control valve
Common causes
- High likelihood: Profile actuator stuck
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
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.