P2402
EVAP Leak Detection Pump Control Circuit High
2010-2010 Buick Enclave 3.6L V6
Moderate SeverityPowertrainGeneric (SAE)
The 2010 Buick Enclave is equipped with a 3.6L V6 engine. Below you'll find detailed p2402 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
High voltage on the EVAP leak detection pump circuit.
Symptoms
- Check engine light
Common Causes
- Open ground circuit
- Short to battery voltage
- Failed pump
Diagnostic Steps
- Check ground continuity
- Measure voltage with key off
Repair Notes
Repair wiring or replace pump.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2402 on Other Vehicles
Common Questions
What does code P2402 mean on a 2010-2010 Buick Enclave?
P2402 stands for "EVAP Leak Detection Pump Control Circuit High". High voltage on the EVAP leak detection pump circuit.
What are the symptoms of P2402 on a Buick Enclave?
Common symptoms of P2402 include: Check engine light.
What causes P2402 on a 2010-2010 Buick Enclave?
Common causes of P2402 include: Open ground circuit, Short to battery voltage, Failed pump.
Last updated: March 2026