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.
Narrow by vehicle
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 communications
4Original wording in English
FORD
This bulletin supersedes 24-2441. Reason for update: consolidation of prior bulletins and an update the Service Procedure to diagnose and replace the cylinder head temperature (CHT) sensor with an updated version. Some of the vehicles listed in the Model Statement above may exhibit all of the following conditions: * Illuminated …
FORD
Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P1299, P1026, and P2C39.
FORD
Some 2024 F-150 vehicles equipped with a 2.7L EcoBoost engine may exhibit an engine over-temperature warning displayed in the IPC and an illuminated MIL with DTCs P1299 and/or P2C39 stored in the PCM.
FORD, LINCOLN
Some 2025 Explorer/Aviator vehicles built on or before 15-Oct-2024 with a 2.3L/3.0L EcoBoost engine may exhibit an engine over-temperature warning displayed in the IPC and an illuminated MIL with DTC P1299 along with P2C38 or P2C39 stored in the PCM.
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
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.