OBD-II code · Powertrain (generic, extended)
P2D22 Turbocharger Interstage Pressure Sensor A Circuit Range/Performance
The ECM detects a range/performance fault on the turbocharger interstage pressure sensor a circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2D22?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- Less likelySensor element aged beyond calibration window
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Turbo Interstage Pressure Sensor A, Wiring Harness, Ecm
Related codes
- P2D1FReductant System Flow – Restricted
- P2D20Reductant System Flow – Blocked
- P2D21Turbocharger Interstage Pressure Sensor A Circuit
- P2D23Turbocharger Interstage Pressure Sensor A Circuit Low
- P2D24Turbocharger Interstage Pressure Sensor A Circuit High
- P2D25Turbocharger Interstage Pressure Sensor A Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.