What does code P0340 mean on a Honda and is it safe to drive?
P0340: Camshaft Position Sensor Circuit Malfunction. Here's what it means on your Honda, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The PCM is not receiving a valid signal from the camshaft position sensor. Affects ignition timing and fuel injection.
Common causes for your Honda
- Failed camshaft position sensor
- Wiring or connector issue
- Timing chain/belt misalignment (less common)
Symptoms
- Check Engine Light
- No start or hard start
- Rough run, stalling
- Reduced power
Typical fixes
- Replace camshaft position sensor
- Repair wiring/connector
- Verify timing if sensor replacement doesn't fix
Repair cost range
For a Honda, repairs for P0340 often fall between $100 and $500, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Honda
Honda P0340 on K24 engines is often a failed intake cam sensor, which is accessible on top of the engine and inexpensive. Confirm the reluctor ring on the cam sprocket is not cracked before replacing the sensor.
Most commonly affected models
Accord 2003–2007CR-V 2005–2009Odyssey 2005–2010