Check Engine Code
P0017
Crankshaft Position / Camshaft Position Correlation (Bank 1, Sensor B)
Severity: high
DIY difficulty: 4/5
Typical cost: $400–$2500
What P0017 means
Like P0016 but for the exhaust cam. Same root causes: timing chain stretch, failed phaser, or low oil level — but it's the exhaust side that's out of alignment.
Symptoms
- Check engine light
- Startup rattle
- Rough idle
- Loss of power
- Possible hard start
Likely causes (most common first)
- Timing chain stretch
- Worn timing chain guides or tensioner
- Failed exhaust cam phaser
- Low engine oil / dirty oil
- Failed cam or crank sensor
Can I keep driving?
High — risk of damage if ignored
Typical repair cost
DIY fixes can start near $400 (parts only). Shop repairs for P0017 typically run up to $2500 depending on the underlying cause and vehicle. Start with the most common cause — Timing chain stretch — before throwing parts at it.
Related codes
Confirm P0017 yourself in 60 seconds
AXLY.pro is a free iPhone app that pairs with any Bluetooth OBD2 adapter to read P0017 and every other stored code, plus live engine data. No subscription.