P2402 on 2011-2020 Toyota Sienna (L, LE, SE, XLE, Limited) — Evaporative Emission System Leak Detection Pump Control Circuit High
1 vehicles · 1 makes · $150-$500 repair
Most Reported On
P2402 is an OBD-II diagnostic trouble code meaning “Evaporative Emission System Leak Detection Pump Control Circuit High.” Generic code set when the PCM detects higher-than-expected voltage on the EVAP leak detection pump control circuit, usually from an open circuit or a short to a power source. The PCM cannot properly drive the pump to perform the EVAP leak test. This code is most commonly reported on 2011-2020 Toyota Sienna (L, LE, SE, XLE, Limited), with repair costs ranging from $150 to $500.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P2402, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
FAQ
What does P2402 mean?
P2402 stands for "Evaporative Emission System Leak Detection Pump Control Circuit High." Generic code set when the PCM detects higher-than-expected voltage on the EVAP leak detection pump control circuit, usually from an open circuit or a short to a power source. The PCM cannot properly drive the pump to perform the EVAP leak test.
What are the most common causes of P2402?
The most common causes of P2402 are: Open circuit or short to voltage in pump control wiring, Failed EVAP leak detection pump, Loose/corroded pump connector, PCM driver fault. The specific cause varies by vehicle.
How much does it cost to fix P2402?
Repair costs for P2402 range from $150 to $500, depending on the vehicle and root cause.
Which vehicles are affected by P2402?
Au7o has documented P2402 across 1 vehicle models from 1 manufacturers: Toyota.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.