P0017
High SeverityCrankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
Engine System
P0017 — Instant Answer
Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)
Severity: HIGH SEVERITY
Meaning: The crankshaft and exhaust camshaft positions on bank 1 are out of sync. Similar to P0016 but for the exhaust cam. Often points to timing chain issues.
Safe to drive? NO if CEL is flashing. YES with caution if solid, but repair this week.
Estimated repair cost: $50 - $1,500
Most common causes:
- 1. Worn timing chain (35-45% of cases)
- 2. Failed chain tensioner or guide (10-25% of cases)
- 3. Bad exhaust cam sensor (10-25% of cases)
- 4. Oil starvation to VVT (10-25% of cases)
Symptoms
- ⚠️Engine rattle on startup
- ⚠️Rough running
- ⚠️Loss of power
- ⚠️Hard starting
Related Symptoms
Common Causes
How to Diagnose P0017
- 1Check for chain rattle noise
- 2Scan cam/crank sensor correlation
- 3Check oil level and condition
- 4Inspect chain tensioner
OEM Diagnostic Flowchart
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Parts & Tools for This Job
Common parts shoppers buy for P0017 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B).
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Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0017.
OEM Manual Evidence
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Related Symptoms
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Related Codes
The crankshaft and intake camshaft positions are not synchronized on bank 1. This indicates a timing problem that can cause rough running or no-start conditions.
The exhaust camshaft on bank 1 is more advanced than the ECM expects. Usually caused by sludged oil blocking the VVT actuator or a stuck solenoid.
The ECM detected a fault in the exhaust camshaft VVT solenoid circuit on bank 1. This solenoid controls exhaust valve timing for optimal performance and emissions.
Frequently Asked Questions
- What does P0017 mean?
- P0017 means the exhaust camshaft and crankshaft are out of sync on bank 1. Most commonly caused by a stretched timing chain.
- How urgent is P0017?
- Fairly urgent — if the timing chain skips a tooth, it can cause severe engine damage. Get it diagnosed within a few days.
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Author & Review
Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.
Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.
Last updated: 2026-10-29