OBD Guide

P012D

Turbocharger/Supercharger Inlet Pressure Sensor A Circuit High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Switching to emergency mode
  • Check Engine light comes on

Causes

  • Turbocharger/supercharger inlet pressure sensor malfunction
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • ECU malfunction

How to Fix

  1. Check turbocharger/supercharger inlet pressure sensor
  2. Check wiring harness and connectors for damage
  3. Check the voltage and resistance of the sensor
  4. Replace sensor if necessary
  5. Clear the error and check if it returns

Related codes

Error P012D by Vehicle Brand