P0337high severityPowertrain
Crankshaft Position Sensor A Circuit Low Input
on 2012 Chevrolet Express 4.3L V6 Vortec · RWD
What this code means
Low or no signal from CKP sensor.
Symptoms
- No start
- Stalling
- Erratic tachometer
Common causes
- Faulty sensor
- Short to ground
- Wiring open
- Corroded connector
Diagnostic steps
- Test sensor signal
- Check for shorts
- Inspect wiring and connector
Repair notes
Replace CKP sensor or repair wiring.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1