![]() ![]() That’s why you want to follow the same procedures any professional technician would. With the P1299 trouble code, it’s difficult to guess what the problem is. I’ve discussed a lot about the importance of diagnosing the trouble. What’s worse is you could assume a part is functioning as it should when it actually isn’t. If you aren’t versed in reading the sensor tests, you could easily misinterpret what’s going on.Īdditionally, by not following my recommended diagnostic procedures, you could replace parts that don’t need to be replaced. It’s also important to utilize the Freeze Frame Data on your code scanner to further pinpoint the problem. For starters, technicians can fail to check the wiring harness and connections to ensure everything is operating as it should. There are many mistakes that can be made while troubleshooting the P1299 trouble code. Repair or replace faulty wiring or connections to the CHT sensor.Repair wirings to the cylinder head temperature sensor.Replace cylinder head temperature sensor.Some common repairs that can fix the P1299 code include: However, the only way to determine the best fix for the P1299 trouble code is to walk through the appropriate diagnostic steps. You also want to make sure the coolant levels are good. Also, inspect and measure the wirings to the cylinder head temperature sensor. To fix the P1299 code, you’ll want to first diagnose the cylinder head temperature sensor and replace it if it’s faulty. Not only is it nearly impossible to drive with this system enacted, but you want to make sure that any further damage is averted. However, modern engines do have more resistance than older engines did when it comes to overheating temperatures, so it’s possible the failsafe kicked in before any damage occurred.Įither way, you need to have the problem looked at immediately. Sadly, by the time this failsafe technology takes over, permanent damage might have already occurred if the engine is overheating. The ECM has enacted the system to ensure that no further damage occurs to the engine or powertrain. Severe – Once the failsafe system engages in your vehicle, you know that there are serious problems occurring. Defective wiring to cylinder head temperature sensor.Malfunctioning cylinder head temperature sensor.Here are some of the top P1299 DTC causes. However, the only way to tell what’s wrong is with a proper diagnosis. In more rare cases, there may be problems with the engine’s cooling system. The most common cause of P1299 on Ford vehicles is a faulty cylinder head temperature sensor or the wirings to it. The top symptoms noticed with the P1299 DTC include: Additionally, the vehicle will be put into a failsafe mode with reduced performance. With the P1299 trouble code set, you know the Check Engine Light will be illuminated. This failsafe mode is run by the ECM to protect the motor from further damage. When the cylinder head temperature sensor detects this condition, the engine will usually go into a failsafe mode. P1299 is a manufacturer-specific code typically used by Ford and Lincoln. P1299 indicates that the ECM (engine control module) noticed a signal indicating that the cylinder head temperature sensor detected a situation where the engine is overheating. P1299 – Cylinder Head Overtemperature Protection Active (Mazda, Ford, Lincoln and Mercury) What Does the P1299 Code Mean? I also look at the causes and show you ways to fix the problem. ![]() In this guide, I dive deeper into the meaning of the Ford P1299 DTC and discuss the top symptoms you can expect. If you see the P1299 code, you could have some trouble on your hands. Your next step is to use your code scanner to find out what’s going on. ![]() Your car isn’t acting right, and the Check Engine Light comes on. ![]()
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