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.
P1299CYLINDER HEAD OVER TEMPERATURE
Manufacturer communications
45Original wording in English
FORD
Some 2023-2025 Escape vehicles built on or before 16-Sep-2024 equipped with 1.5L EcoBoost engine may exhibit an "Engine Coolant Over-Temperature" warning message displayed in the IPC and an illuminated MIL with DTCs P1285 and/or P1299 stored in the powertrain control module (PCM) during hard acceleration or under high load condi…
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 a loss of engine coolant at the heater hose assembly near the engine cooling fan. The vehicle may also have diagnostic trouble codes (DTC) P1299 and/or P1285 stored in the powertrain control module (PCM). This may be due to an incorrectly indexed hose connectio…
FORD
Some 2024-2025 F-150 vehicles equipped with a 2.7L engine, built on or after 27-Aug-2024 may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) P1285 and/or P1299 stored in the powertrain control module (PCM) and Engine Coolant Over Temperature and/or Service Vehicle Soon warnin…
Check vehicle applicability
91A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Cylinder Head Overtemperature Protection Active
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.