P1345

Crankshaft/Camshaft Position Correlation (Bank 1)

Severity: High Ignition System Chevrolet Specific Est. Repair: $150 - $1,200

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

Quick Answer

P1345 means “Crankshaft/Camshaft Position Correlation (Bank 1).” Severity: High. Estimated repair cost: $150 - $1,200. Most common sign: CEL.

What Does P1345 Mean?

GM-specific code (common on many Chevrolet/GMC V6 and V8 engines) indicating the crank and cam sensor signals don't correlate as expected.

Common Symptoms

CEL
Possible rough idle, hesitation, or hard starting
Rattling noise on cold start if chain-related

Possible Causes

Timing chain stretch/wear
Faulty crank or cam sensor
Sensor installed with incorrect air gap
Skipped timing (jumped chain)

How to Fix P1345 – Repair Guide

Verify timing marks/chain condition first if the code is accompanied by a rattle or performance loss
Test both sensors
Replace faulty sensor(s)
Timing chain service if worn
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Budgeting for This Repair?

A typical P1345 repair runs about $150 - $1,200. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.