Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- High
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $50 to $600
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P0238 Turbocharger/Supercharger Boost Sensor A Circuit High High
The P0238 code means the sensor that measures boost pressure is reporting a voltage above the maximum. It can be a circuit fault, typically an open ground, or real overboost from the turbo. Telling the two apart comes first, because the repairs have nothing in common.