P0018 on Chevrolet
Crankshaft/Camshaft Position Correlation - Bank 2 Sensor A
P0018 on Chevrolet vehicles indicates crankshaft/camshaft position correlation - bank 2 sensor a. Au7o has documented this code across 1 Chevrolet model — most commonly on Traverse. This code means the computer detected that the crankshaft and the Bank 2 'A' (typically intake) camshaft are out of their expected timing relationship. The computer compares the crankshaft and camshaft position sensor signals; they should stay in a fixed correlation as the engine turns. When the Bank 2 camshaft is too far off from the crankshaft, P0018 sets, indicating the valve timing on that bank is misaligned. This can cause rough running, reduced power, hard starting, or a no-start, and in some cases signals timing chain or phaser trouble that warrants prompt attention. Typical repair costs on Chevrolet range from $1,500 to $3,500, depending on the specific model and root cause.
Common Causes of P0018
- •Stretched, worn, or jumped timing chain (Bank 2)
- •Worn or broken timing chain guides/tensioner
- •Stuck variable valve timing solenoid or phaser
- •Low or dirty engine oil affecting the phaser
- •Faulty crankshaft or camshaft position sensor
- •Damaged reluctor/tone ring
- •Incorrect timing from prior service
- •Wiring or connector fault at a cam/crank sensor
P0018 on Chevrolet by Model
Chevrolet Traverse(1 issue)
- Timing Chain Stretch and Failure (3.6L V6 LLT/LFX)2009-2017
The 3.6L V6 (LLT and LFX variants) in the first-generation Traverse is notorious for premature timing chain stretch. The engine uses three timing chains — one primary and two secondary chains driving the variable valve timing actuators. The chains stretch beyond the tensioner capacity, causing the engine timing to slip. Symptoms progress from a rattle on cold start to a check engine light with camshaft correlation codes. If ignored, the stretched chains can skip teeth, causing catastrophic engine damage. The issue typically manifests between 80,000-120,000 miles.
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View P0018 across all makes →Frequently Asked Questions
What does P0018 mean on Chevrolet?▼
P0018 stands for "Crankshaft/Camshaft Position Correlation - Bank 2 Sensor A." This code means the computer detected that the crankshaft and the Bank 2 'A' (typically intake) camshaft are out of their expected timing relationship. The computer compares the crankshaft and camshaft position sensor signals; they should stay in a fixed correlation as the engine turns. When the Bank 2 camshaft is too far off from the crankshaft, P0018 sets, indicating the valve timing on that bank is misaligned. This can cause rough running, reduced power, hard starting, or a no-start, and in some cases signals timing chain or phaser trouble that warrants prompt attention. On Chevrolet specifically, this code is documented across 1 model.
What causes P0018 on Chevrolet vehicles?▼
Common causes on Chevrolet: Stretched, worn, or jumped timing chain (Bank 2), Worn or broken timing chain guides/tensioner, Stuck variable valve timing solenoid or phaser, Low or dirty engine oil affecting the phaser, Faulty crankshaft or camshaft position sensor. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0018 on a Chevrolet?▼
Repair costs on Chevrolet range from $1,500 to $3,500, depending on the specific model and root cause.
Which Chevrolet models have P0018 documented?▼
Au7o has documented P0018 on 1 Chevrolet model: Traverse.