Question 1

What does P0235 mean?

Accepted Answer

P0235 - Turbocharger Boost Sensor A Circuit. Boost pressure sensor circuit has a general fault.

Question 2

What are the symptoms of P0235?

Accepted Answer

Check engine light, Loss of power, Limp mode possible

Question 3

What causes P0235?

Accepted Answer

Failed boost pressure sensor, Wiring issue, Corroded connector, Vacuum/pressure line to sensor disconnected

Question 4

How much does it cost to fix P0235?

Accepted Answer

Typical repair cost: $50-$300. Check the pressure/vacuum line to the boost sensor first — if disconnected, the sensor reads atmospheric pressure.

P0235 — Turbocharger Boost Sensor A Circuit

Don't guess — diagnose P0235 the right way