OBD-II code · Powertrain (generic)
P037C 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.
Is it safe to drive with P037C?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyProfile actuator stuck
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–6 h
- Emissions test
- Likely to fail
- Parts involved
- Camshaft, Oil Control Valve
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.