Powertrain
generic / SAE
P0343
Camshaft Position Sensor "A" Circuit High Input (Bank 1)
The CMP signal voltage is above the upper threshold. Either excessive sensor output or a short to supply voltage.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 43
Possible causes
- Signal wire shorted to supply voltage high
- Sensor failed medium
- Connector pins corroded - high contact resistance low
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–4 h
- Component: camshaft position sensor
- Component: camshaft position sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012