Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means the car's engine got too hot, and a special system turned on to protect it from damage.
The P1299 code indicates that the engine's cylinder head temperature has exceeded a safe limit, triggering the overtemperature protection system to prevent engine damage.
The P1299 code is set when the cylinder head temperature sensor detects a temperature that exceeds the predetermined threshold. The Engine Control Module (ECM) activates the fail-safe cooling strategy to reduce engine temperature, which may include reducing engine power or shutting down certain engine functions.
• Engine overheating
• Reduced engine performance
• Check Engine Light illuminated
• Low coolant level
• Faulty cylinder head temperature sensor
• Cooling system malfunction
Cylinder Head: The part of the engine that covers the cylinders.
ECM: Engine Control Module, the computer that controls engine functions.
• Check coolant level and refill if necessary.
• Inspect the cooling system for leaks or blockages.
• Test the cylinder head temperature sensor for proper operation.
• Refill coolant and bleed the cooling system.
• Replace the cylinder head temperature sensor if faulty.
• Repair or replace any damaged cooling system components.
• OBD-II scanner
• Coolant pressure tester
• Multimeter
$150 - $500
Moderate
• Ford Focus
• Ford Escape
• Lincoln MKZ
• Regularly check coolant levels.
• Perform routine cooling system maintenance.
• Monitor engine temperature gauge.
Engine Performance
• Stop driving immediately if the engine overheats.
• Have the vehicle inspected by a professional mechanic.
• Avoid driving in extreme heat conditions if possible.
Check with the vehicle manufacturer as some cooling system components may be covered under warranty.
The P1299 code has been common in vehicles with known cooling system issues, particularly in certain Ford models.
High – Immediate attention is required to prevent engine damage.
Driving with an overheated engine can lead to severe engine damage and is unsafe.
• Engine at operating temperature
• Vehicle running under normal load
The cylinder head temperature sensor is typically located on or near the engine cylinder head.
Q: Can I drive my car with a P1299 code?
A: No, driving with this code can cause severe engine damage. It's best to stop and have the vehicle inspected.
Q: How can I prevent my engine from overheating?
A: Regular maintenance of the cooling system and monitoring coolant levels can help prevent overheating.
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