OBD Guide

P012E

Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Intermittent/Erratic

P012E is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Intermittent/Erratic. Common causes: open or short circuit in wiring harness, pressure sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation
  • Power reduction
  • Check Engine light comes on

Causes

  • Open or short circuit in wiring harness
  • Pressure sensor malfunction
  • Poor contact in connectors
  • Problems with the ECU

How to Fix

  1. Check the sensor wiring harness and connectors for damage.
  2. Check sensor resistance and voltage
  3. Replace the sensor if it is faulty
  4. Check and clean connector contacts

Related codes

Error P012E by Vehicle Brand

FAQ

What does the P012E code mean?

P012E is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Inlet Pressure Sensor A Circuit Intermittent/Erratic

What causes a P012E error code?

The most common causes of P012E include: Open or short circuit in wiring harness; Pressure sensor malfunction; Poor contact in connectors; Problems with the ECU.

How do I fix a P012E diagnostic trouble code?

To fix P012E: Check the sensor wiring harness and connectors for damage.. Check sensor resistance and voltage. Replace the sensor if it is faulty. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P012E?

Limited driving only, diagnose soon

How much does it cost to fix P012E?

The estimated repair cost for P012E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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