Fault-Code Library · Engine timing
P0017: Crankshaft / camshaft timing correlation, bank 1 sensor B
The exhaust-camshaft and crankshaft signals on bank 1 are outside their expected relationship.
Common symptoms
- •Long cranking
- •Rough running
- •Reduced power
- •Timing rattle
Likely causes
- •Stretched or incorrectly timed chain
- •Cam or crank signal fault
- •Variable-timing control issue
- •Low oil pressure
First checks
- •Check oil level and specification
- •Read manufacturer timing adaptations
- •Verify mechanical timing before replacing sensors
Important
Continued driving with incorrect mechanical timing can cause serious internal engine damage.
A fault code identifies a detected condition, not a failed part. Confirm manufacturer-specific subcodes and live data.
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