P0345 means the ECM can't get a valid signal from camshaft position sensor A on bank 2 (the bank that doesn't contain cylinder 1). Fuel injection sync and variable valve timing accuracy drop until it's fixed.
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Get Skanyx freeP0345 means the ECM can't get a valid signal from camshaft position sensor A on bank 2 (the bank that doesn't contain cylinder 1). Fuel injection sync and variable valve timing accuracy drop until it's fixed.
P0345 is a electrical-related diagnostic trouble code classified as moderate severity. When your vehicle's ECU detects this condition, it stores P0345 and illuminates the check engine light.
If your vehicle has triggered P0345, you may notice one or more of these symptoms:
Here are the most common causes of P0345:
Generally yes, for short-term driving. You can drive short distances, but expect rough running, hard starts, and possible stalling. Without a clean CMP signal the ECM falls back to crankshaft-only timing, which is less precise and hard on the catalyst if you leave it for weeks.
Follow these steps to pinpoint the root cause of P0345:
Repair costs for P0345 vary depending on the root cause and your vehicle. Here are typical estimates:
Prices estimated as of March 2026. Costs vary by region, vehicle, and shop.
P0345 behaves differently depending on your vehicle. Select your car below for model-specific causes and known issues:
The VQ40DE is a repeat offender for CMP sensor failure. Bank 2 sensor sits on the firewall side rear of the head.
The 3V 5.4L is infamous for VCT phaser rattle and failure, which throws P0345 alongside P0344/P0346. Sludge from stretched oil-change intervals is a common underlying cause.
1GR-FE is generally reliable. The bank 2 camshaft position sensor runs hot next to the exhaust manifold and degrades over time. The OEM part number for it is 90919-05060.
These codes are often seen alongside P0345 or indicate related issues:
Bank 2 is the side that does not contain cylinder 1, and which physical side that is depends entirely on the engine. On transverse Japanese V6s it varies by family: on the Honda J-series, for example, cylinder 1 is on the rear bank, so Bank 2 is the front one. On the Ford Modular V8 and the GM LS the banks are the other way round from each other. Descriptions such as driver's side and passenger's side also swap between left- and right-hand-drive cars, so go by the bank diagram rather than by side. Check a factory bank diagram for your engine before ordering parts, because guessing the side is an easy way to pay for a sensor you did not need.
You can clear it, but if the fault is still present it'll return in a few drive cycles. The real cost of ignoring it is catalyst wear, fuel trims and injector timing get sloppy and a €600 cat converter is a lot worse than a €50 sensor.
On a lower-mileage engine a sensor or connector fix is often enough. On higher-mileage V engines, and on those with known timing chain or cam phaser wear such as the Ford 5.4 3V, check cam-to-crank correlation with manufacturer-level software before assuming the sensor. Replacing a sensor on a stretched chain is throwing money away.
Two things: an overfill can push oil past the cam seal and drown the sensor connector, or the tech bumped the connector loose while working around the valve cover. Pull the connector, dry it, dielectric-grease it, and reseat it before buying anything.
Rarely on its own. Most modern engines can start on crank signal alone and then sync the cam. A hard no-start with P0345 usually means the CKP signal is also gone, or the timing chain has jumped teeth, at that point you're diagnosing mechanical damage, not a sensor.
A 15 euro Bluetooth adapter and a free phone app read the exact fault code a shop charges 30 to 100 euros to pull. Here is how to do it yourself in 5 minutes.
A flashing check engine light means the engine is misfiring right now. Pull over and read the code: the fix is usually $80 to $400, the delay costs $1,500 up.
An unfamiliar symbol just lit up and you need to know whether to stop. Read the colour first, then find your symbol in the table: every one carries its verdict.
Your car logged P0345. Skanyx reads it on any standard Bluetooth OBD2 adapter, tells you whether it is safe to keep driving, and shows the €65-€2500 repair range so you know the number before a shop quotes you. Free on iPhone and Android, and you do not need to be a mechanic to read it.
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