Question 1

What does P1345 mean?

Accepted Answer

P1345 - Crankshaft-Camshaft Position Correlation (GM). GM-specific: Cam and crank positions are out of correlation. On GM V8 LS engines, this usually means the cam sensor or distributor (older engines) needs attention.

Question 2

What are the symptoms of P1345?

Accepted Answer

Check engine light, Hard starting, Rough running, Loss of power

Question 3

What causes P1345?

Accepted Answer

Failed cam sensor, Timing chain stretch, Distributor position off (older GM), Worn timing components

Question 4

How much does it cost to fix P1345?

Accepted Answer

Typical repair cost: $50-$2,000. On older GM with distributors, rotating the distributor slightly can correct this. On LS engines, a cam sensor replacement or timing chain service may be needed.

P1345 — Crankshaft-Camshaft Position Correlation (GM)

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Common symptoms of P1345

Common causes of P1345

Repair cost & difficulty

Vehicles commonly affected

Related trouble codes