Powertrain
generic / SAE
P2B71
Turbocharger/Supercharger A Temperature Sensor Range/Performance
The ECM detects a range/performance fault on the turbocharger/supercharger a temperature sensor. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 71
Possible causes
- Sensor characteristic drifted high
- Sensor mounting displaced medium
- Sensor element aged beyond calibration window low
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–250 €
- Estimated time: 0.3–1.5 h
- Component: turbocharger a temperature sensor
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012