Engine-CodesGeneric – P012D

P012D Code - Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Downstream Of Throttle Valve

Quick Answer

The diagnostic trouble code P012D indicates an issue with the turbocharger or supercharger inlet pressure sensor circuit being too high downstream of the throttle valve in the vehicle. Common causes include Faulty turbocharger or supercharger inlet pressure sensor, Wiring or connector issues, Stuck throttle valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P012D indicates Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Downstream Of Throttle Valve.
Common causes
Common causes include Faulty turbocharger or supercharger inlet pressure sensor, Wiring or connector issues, Stuck throttle valve.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P012D Description

The diagnostic trouble code P012D indicates an issue with the turbocharger or supercharger inlet pressure sensor circuit being too high downstream of the throttle valve in the vehicle. This sensor is responsible for monitoring the pressure of the air entering the turbocharger or supercharger, allowing the engine control module (ECM) to adjust fuel delivery and boost levels accordingly. When the sensor detects a high pressure reading that is not within the expected range, it triggers the P012D code.

OBDII Code P012D - Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Downstream Of Throttle Valve
P012D Code - Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Downstream Of Throttle Valve

Common Causes of P012D

  1. Faulty turbocharger or supercharger inlet pressure sensor
  2. Wiring or connector issues
  3. Stuck throttle valve
  4. Clogged air filter
  5. Intake system leak

Symptoms of P012D

  1. Loss of engine power
  2. Rough idling or stalling
  3. Hesitation during acceleration
  4. Reduced fuel efficiency
  5. Engine misfires

How to Fix P012D

  1. Begin by performing a thorough visual inspection of the turbocharger/supercharger inlet pressure sensor, wiring, and connectors for any signs of damage or corrosion.
  2. Use a multimeter to test the sensor's resistance and voltage output to determine if it is functioning within specifications.
  3. Inspect the throttle valve for any obstructions or sticking issues that may be causing the high pressure readings.
  4. Check the air filter for clogs or dirt that could be restricting airflow to the turbocharger or supercharger.
  5. If necessary, replace the faulty sensor, repair any damaged wiring or connectors, clean or replace the air filter, and address any issues with the throttle valve to resolve the P012D code.

Cost to Fix P012D

The typical repair costs for addressing a P012D code can vary depending on the specific cause of the issue and the vehicle make and model. On average, the parts needed for this repair, such as a new turbocharger/supercharger inlet pressure sensor, can range from $50 to $200. Labor costs at auto repair shops typically fall between $80 and $150 per hour. It's advisable to contact local repair shops for a more accurate estimate based on your vehicle's requirements and location.

Need more information about the P012D code?

Need more information on how to fix the P012D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P012D code diagnosed by a professional: Find a repair shop in your area

Code P012D Information for Specific Makes

  • P012D Ford — Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Downstream Of Throttle Valve
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P012D Code

No Frequently Asked Questions about P012D Code found.

Discuss the causes and fixes for P012D OBDII Code

Code P012D comments

No comments found for this page.