P0016

Q: What does OBD2 code P0016 mean?

P0016 means: Crankshaft/Camshaft Position Correlation Bank 1 Sensor A. The crankshaft and camshaft position signals are out of sync on Bank 1. This indicates a timing issue.

Crankshaft/Camshaft Position Correlation Bank 1 Sensor A

The crankshaft and camshaft position signals are out of sync on Bank 1. This indicates a timing issue.

SeverityCritical

CategoryEngine

Est. Repair Cost$300–$1200

Code TypePowertrain

DIY RepairProfessional

⚡ Common Causes

›Stretched or worn timing chain
›Worn timing chain tensioner
›Faulty cam or crank sensor
›Incorrect engine timing after repair

⚠️ Symptoms

›Engine runs rough
›Hard to start
›Rattling from timing chain area
›Check engine light

✅ How to Fix — Step by Step

Step 1:Inspect timing chain for stretch
Step 2:Replace timing chain and tensioner if worn
Step 3:Replace cam/crank sensors
Step 4:Verify timing marks alignment

💡 Pro Tip: This code combined with cold-start rattling almost always means timing chain replacement is needed.

Repair Cost Estimate

Full Repair Estimate

$300–$1200

DIY Possible?

PRO

Severity

Critical

Frequently Asked Questions

What does OBD2 code P0016 mean?+

P0016 stands for Crankshaft/Camshaft Position Correlation Bank 1 Sensor A. The crankshaft and camshaft position signals are out of sync on Bank 1. This indicates a timing issue.

What causes code P0016?+

Stretched or worn timing chain; Worn timing chain tensioner; Faulty cam or crank sensor; Incorrect engine timing after repair

How do I fix code P0016?+

Inspect timing chain for stretch; Replace timing chain and tensioner if worn; Replace cam/crank sensors; Verify timing marks alignment

How much does it cost to fix P0016?+

Estimated repair cost for P0016 is $300–$1200.

Is P0016 DIY-friendly?+

P0016 typically requires professional equipment and a qualified mechanic.