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P2402 2009 Toyota Prius Code - EVAP System Leak Detection Pump Control Circuit High

- Code Popularity: 3,682 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P2402 2009 Toyota Prius?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Vacuum Pump Module
  • Vacuum Pump Module harness is open or shorted
  • Vacuum Pump Module circuit poor electrical connection
  • EVAP system hose (clogged, cracked or broken)
  • Faulty Engine Control Module (ECM)
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How to Fix the DTC P2402 2009 Toyota Prius?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P2402 2009 Toyota Prius Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2402 2009 Toyota Prius code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P2402 2009 Toyota Prius Description

5 hours after the ignition switch is turned OFF, the electric vacuum pump creates negative pressure (vacuum) in the EVAP (Evaporative Emission) system. The Engine Control Module (ECM) monitors for leaks and actuator malfunctions based on the EVAP pressure. To determine the leak criterion (Reference pressure), a vacuum pump creates negative pressure in the canister pump module through 0.02 inch orifice and pressure is measured. If the conditions are not met, the Engine Control Module the code will be set.

OBDII Code P2402 2009 Toyota Prius - EVAP System Leak Detection Pump Control Circuit High - AutoCodes.com
P2402 2009 Toyota Prius Code - EVAP System Leak Detection Pump Control Circuit High

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Code P2402 2009 Toyota Prius comments

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