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Code

P0017

Variable valve timing

Crankshaft / camshaft position correlation — Bank 1 Sensor B

Cam/crank correlation fault on the exhaust cam side.

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Most likely causes

Timing chain stretch or jump
Faulty sensor
Worn guide or tensioner

Symptoms you may notice

Check engine light
Poor performance
Engine noise

Checks to run

Verify timing marks
Inspect the chain and tensioner
Test sensors

Tools you may need

OBD-II scanner

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Variable valve timing

Intake camshaft timing over-advanced — Bank 1

Intake camshaft timing over-retarded — Bank 1

Crankshaft / camshaft position correlation — Bank 1

Intake camshaft timing over-advanced — Bank 2

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