Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0452EVAP Pressure Switch Stuck Closed
P0452EVAP Pressure Switch Stuck Closed
P0452-00EVAP Pressure Switch Stuck Closed
Manufacturer communications
27Original wording in English
AUDI
This bulletin provides information when the MIL is on, EVAP pressure/temp sensor incorrect DTC displayed: P202400, P045000, P045200, P24D600, P24D800, P2B7B00.
DODGE
"Check Engine Light Illuminates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0452 - EVAP Pressure Switch Stuck Closed. Customers may also comment on the following: ● The check engine light illuminates after long idle tim…
RAM
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0031 - O2 Sensor 1/1 He…
DODGE
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0452 - EVAP Pressure Sw…
Check vehicle applicability
187A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Audi | A4 ↗ | 2023 |
| Audi | A4 ↗ | 2022 |
| Audi | A4 ALLROAD ↗ | 2023 |
| Audi | A4 ALLROAD ↗ | 2022 |
| Audi | A5 ↗ | 2023 |
| Audi | A5 ↗ | 2022 |
| Audi | A5 CABRIOLET ↗ | 2023 |
| Audi | A5 CABRIOLET ↗ | 2022 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Evaporative Emission Control System Pressure Sensor Low Input
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.