P024E Fault Code

P024E OBD-II Trouble Code Short Description

Charge Air Cooler Bypass Position Sensor A Circuit Low

What does trouble code P024E mean?

The P024E fault code indicates that the Charge Air Cooler (CAC) Bypass Position Sensor A Circuit is reading a low signal. The CAC bypass system allows for cooler air to enter the engine during certain operating conditions, improving performance and fuel efficiency. The position sensor monitors the position of the bypass valve and sends a signal to the engine control module (ECM) to control the airflow.

A low signal from the CAC bypass position sensor A circuit indicates a potential issue with the sensor itself or the wiring and connections in the circuit. This can lead to incorrect air flow management which can cause engine performance issues.

The solution to this problem involves testing the sensor, wiring, and connections for damage or fault and replacing or repairing as necessary. If the issue persists, it may also involve further inspection of the CAC bypass system or the ECM. It is recommended to have a certified technician diagnose and address the issue to ensure proper repair.


What are the symptoms of the P024E code?

Some of the symptoms of P024E fault code on cars can include:

  • Check Engine Light (CEL) or Malfunction Indicator Lamp (MIL) illuminated on the dashboard
  • Poor acceleration and engine performance
  • Reduced fuel efficiency
  • Engine stalling or misfire
  • Rough idling
  • Smoke coming from the engine
  • Unusual noises from the engine
  • The charge air cooler (CAC) bypass valve may no longer function properly.


What causes the P024E code?

The P024E fault code indicates an issue with the Charge Air Cooler Bypass Position Sensor A Circuit, where the sensor reading is too low. This can be caused by a faulty sensor, damaged wiring or connections, or a problem with the engine control module. It typically affects turbocharged or supercharged vehicles, and can result in reduced engine performance and increased fuel consumption.

Possible Solutions

How to fix P024E?

To fix the P024E fault code on cars, follow these steps:

  1. Check the charge air cooler (CAC) bypass valve for any damage or debris that could be causing the low circuit.
  2. Inspect the wiring and connectors of the CAC bypass position sensor for any visible damage or loose connections.
  3. Use a multimeter to test the voltage and resistance of the CAC bypass position sensor.
  4. If the sensor is faulty, replace it with a new one.
  5. Clear the fault codes from the car's computer using a code reader or scanner.

It is recommended to consult a professional mechanic or technician for further assistance in diagnosing and fixing the P024E fault code.