Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P2402 Evaporative emission (EVAP) leak detection pump, control - circuit high

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

P · PowertrainEmissionsOBD2

What P2402 means

P2402
Evaporative emission (EVAP) leak detection pump, control - circuit high Generic · emissions Data confidence 78%

The control module detected that the signal in the Evaporative emission (EVAP) leak detection pump, control circuit stayed above the expected operating range.

Symptoms

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

Possible causes

  • Wiring short to positive
  • 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 P2402

P

Powertrain: engine, transmission and driveline systems.

2

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

402

Specific fault index within the subsystem.

Frequently asked questions about P2402

What does P2402 mean?

Evaporative emission (EVAP) leak detection pump, control - circuit high. The control module detected that the signal in the Evaporative emission (EVAP) leak detection pump, control circuit stayed above the expected operating range.

Is P2402 generic or manufacturer-specific?

P2402 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2402 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 →

← Search the full DTC database