P0340 Honda Hr-V
Camshaft Position Sensor Circuit Malfunction (Bank 1) · Powertrain Code · High · Repair: Moderate
What is P0340?
The camshaft position sensor on bank 1 is not providing a valid signal. Engine may not start or run poorly.
When the Honda Hr-V triggers code P0340 (camshaft position sensor circuit malfunction (bank 1)), it typically points to an issue in the powertrain system. This is a high severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Honda Hr-V.
This repair is rated moderate, meaning some experience and specialty tools required.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Honda Hr-V.
Common Causes on Honda Hr-V
- Failed camshaft position sensor (CMP)
- Damaged CMP sensor connector or wiring
- Stretched timing chain causing erratic cam signal
- Failed VTC actuator affecting cam position signal
Symptoms
- Check Engine Light on
- Hard starting or extended cranking
- Rough idle and possible stalling
- Reduced engine power
- Possible no-start condition
Notes for Honda Hr-V
On high-mileage K24 engines, always check timing chain stretch when diagnosing CMP codes — a stretched chain gives erratic cam signals that mimic sensor failure.