Camshaft Position Sensor Circuit Malfunction
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P0340 KIA Possible Causes
- Faulty Camshaft Position Sensor
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery
How do I fix code P0340 KIA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Sometimes and in some models, low battery voltage or a weak starter can trigger a Camshaft Position Sensor code.
Cost of diagnosing the P0340 KIA code
The cost of diagnosing the P0340 KIA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The camshaft position sensor signal is not detected by the Engine Control Module(ECM) during the first few seconds of engine cranking
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- Engine Stall
P0340 KIA Description
The Camshaft Position Sensor (CMPS) is a sensor that detects the compression TDC of the NO. 1 cylinder. The CMPS consists of a hall type sensor and a target on the end of the intake camshaft. When the target triggers the sensor, the sensor voltage is 5V. If not, the sensor voltage is 0V. These CMPS signal is sent to the Powertrain Control Module (PCM) and the PCM uses the CMPS signal for synchronizing the firing of sequential fuel injectors.
2003 Kia Sedona Camshaft Position Sensor (CMPS) Location