P1340Ignition System

Camshaft/Crankshaft Position Sensor Incorrect Correlation (VW/Audi)

P1340 is a VW/Audi code for incorrect correlation between the camshaft and crankshaft position sensor signals. The timing reference is off, which can indicate a timing chain/belt or sensor issue.

🚗 Use caution. Correlation faults can cause misfire, stalling, and no-start.

HIGH

severity

🎯 Top Causes, Ranked by Likelihood

#1Timing chain or belt wear/skip$300-$2000

45%

A stretched chain or slipped belt throws off cam-to-crank timing.

#2Faulty cam or crank position sensor$60-$300

30%

A bad sensor produces an incorrect signal.

#3Reluctor or wiring fault$100-$600

25%

A damaged reluctor wheel or wiring corrupts the signal.

🩺 Common Symptoms

Check engine light
Misfire or rough running
Stalling or hard starting
Rattle from timing area

💰 Repair Cost: DIY vs Shop

DIY Cost

$60-$600

Shop Cost

$200-$2000

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P1340

1Check camshaft and crankshaft sensor signals

2Inspect timing chain/belt for wear or skip

3Verify cam timing marks

4Replace sensors or correct timing as needed

❓ Frequently Asked Questions

Can I drive with P1340?

With caution. Correlation faults can cause misfire, stalling, and no-start, and may signal timing problems.

Is P1340 a VW/Audi code?

Yes, P1340 is a VW/Audi cam/crank position sensor correlation code.

What causes P1340?

Timing chain or belt wear, a faulty cam or crank sensor, or reluctor/wiring faults are common causes.

🔗 Related Codes

P0016P0017P0335P0340