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.
P0505Idle Control System
Manufacturer communications
19Original wording in English
HYUNDAI
Certain Palisade Hybrid (LX3 HEV) vehicles equipped with the 2.5T-GDI HEV engine may set DTC P050500/P050600. Technical Service Bulletin (TSB) 26-01-021H provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition.
HYUNDAI
Certain Palisade Hybrid (LX3 HEV) vehicles equipped with the 2.5T-GDI HEV engine may set DTC P050500/P050600. This bulletin provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition.
LEXUS
Some 2016 – 2020 model year GS F, 2008 – 2014 model year IS F, 2022 – 2025 model year IS 500, 2018 – 2025 model year LC 500, 2021 – 2025 model year LC 500c, and 2015 – 2025 model year RC F vehicles with 2UR-GSE engines may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): •P0505 – Idle…
LAND ROVER
Air leak from the right hand camshaft cover assembly due to a split diaphragm within the pressure control valve. Any of the following DTCs (indicating an air intake system leak) could be stored in the Powertrain Control Module (PCM) ? P2187, P2189, P0505, P0507.
Check vehicle applicability
181A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | ASPIRE ↗ | 1997 |
| Ford | ASPIRE ↗ | 1996 |
| Ford | CROWN VICTORIA ↗ | 2008 |
| Ford | CROWN VICTORIA ↗ | 2007 |
| Ford | CROWN VICTORIA ↗ | 2006 |
| Ford | CROWN VICTORIA ↗ | 2005 |
| Ford | E-SERIES ↗ | 2006 |
| Ford | E-SERIES ↗ | 2005 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Idle Control System Malfunction
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.