The EVAP leak test pump circuit reads too high.
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
Failed leak detection pump. Then: wiring fault.
Owners named P2402 in 16 complaints to the U.S. government, most often on the Toyota Yaris.
Cars owners report it on
Complaints that name P2402, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2007 Toyota Yaris
The details
What P2402 means
The EVAP leak test pump circuit reads too high.
Can I drive with P2402?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
19% of the owner complaints that name P2402 also say the car warning lights and electrical faults. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P2402
- Failed leak detection pump
- Wiring fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Warning lights and electrical faults: 19% of complaints
- Loses power or goes into limp mode: 12% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P2402 most
2007 Toyota Yaris (2).
Related codes
P2401 P2422 P2431 P2432 P2433 P2440 P2441 P2442
Quick answers
What does P2402 mean?
Evaporative Emission System Leak Detection Pump Control Circuit High. The EVAP leak test pump circuit reads too high.
Can I drive with P2402?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
What causes P2402?
Failed leak detection pump; Wiring fault.
Counts: NHTSA owner complaints whose text names P2402. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

