OBD-II code · Powertrain (generic)
P000B B Camshaft Position Slow Response Bank 1
The exhaust camshaft phaser on bank 1 responds too slowly to commanded position changes. Same root causes as P000A but on the exhaust cam.
Is it safe to drive with P000B?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyExhaust VVT solenoid clogged
- PossibleLow oil pressure
- PossibleExhaust cam phaser worn
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–6 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Vvt Solenoid Exhaust Bank1, Cam Phaser Exhaust, Engine Oil
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.