OBD-II code · Powertrain (generic)
P0342 Camshaft Position Sensor "A" Circuit Low Input (Bank 1)
The CMP signal voltage is below the lower threshold. Most often a sensor with degraded internal output or a short to ground.
Is it safe to drive with P0342?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor failed
- PossibleSignal shorted to ground
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Camshaft Position Sensor, Camshaft Position Sensor Wiring
Related codes
- P0340Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)
- P033FCrankshaft/Camshaft Loss Of Synchronization
- P0341Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1)
- P0343Camshaft Position Sensor "A" Circuit High Input (Bank 1)
- P0344Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor)
- P0345Camshaft Position Sensor "A" Circuit (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.