P2402moderate severityPowertrain
EVAP Leak Detection Pump Control Circuit High
on 2005 Buick Terraza 3.5L V6 · FWD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
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P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1