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Code

P0016

Variable valve timing

Crankshaft / camshaft position correlation — Bank 1

The cam and crank signals are not in the expected relationship — check timing.

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Most likely causes

Timing chain or belt skipped
Faulty cam or crank sensor
Worn chain tensioner

Symptoms you may notice

Check engine light
Hard start
Poor power
Rough running

Checks to run

Verify timing marks
Check the chain/belt condition
Test both position sensors

Tools you may need

OBD-II scanner Oscilloscope

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 Sensor B

Intake camshaft timing over-advanced — Bank 2

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