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TuningBot DTC Database · v4.37.15

P2400 Evaporative emission (EVAP) leak detection pump, control - open circuit

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P2400 means

P2400
Evaporative emission (EVAP) leak detection pump, control - open circuit Generic · emissions Data confidence 78%

The control module detected an interruption (open circuit) in the Evaporative emission (EVAP) leak detection pump, control circuit, so the expected electrical continuity was not present.

Symptoms

  • MIL illuminated
  • Possible fuel smell in case of larger leaks

Possible causes

  • Wiring
  • EVAP leak detection pump

Recommended checks

  • Check fuel filler cap seating first
  • Read fuel tank pressure sensor values
  • Actuate purge and vent valves and verify response
  • Smoke-test the EVAP system for leaks

Related and nearby codes

How to read P2400

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

400

Specific fault index within the subsystem.

Frequently asked questions about P2400

What does P2400 mean?

Evaporative emission (EVAP) leak detection pump, control - open circuit. The control module detected an interruption (open circuit) in the Evaporative emission (EVAP) leak detection pump, control circuit, so the expected electrical continuity was not present.

Is P2400 generic or manufacturer-specific?

P2400 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2400 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

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