P0238moderate severityPowertrain
Turbocharger/Supercharger Boost Sensor A Circuit High
on 2012 Chevrolet Celta 1.0L I4 Flex VHC-E · FWD
What this code means
High voltage from boost sensor A.
Symptoms
- Check Engine Light
- False high boost reading
Common causes
- Open circuit
- Short to power
- Faulty sensor
Diagnostic steps
- Test voltage
- Check for shorts to power
Repair notes
Repair or replace sensor.
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