Powertrain
generic / SAE
P0337
Crankshaft Position Sensor "A" Circuit Low Input
The CKP signal voltage is below the lower threshold. Usually a sensor whose internal coil has degraded, or a wiring short to ground.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 37
Possible causes
- Sensor failed (output too low) high
- Signal shorted to ground medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 0.5–4 h
- Component: crankshaft position sensor
- Component: crankshaft position sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012