[SOLVED] P278E Code: How To Fix Intermittent Kick Down Switch Circuit

The P278E automobile fault code refers to a problem with the kick-down switch circuit, which can cause the engine light to turn on. This fault code can be caused by a faulty kick-down switch, an open or shorted harness, or a poor electrical connection.

To fix this issue, it is important to visually inspect the wiring harness and connectors for any damage or corrosion. The repair time for this issue is estimated to be around 1.0 hour. If you encounter this fault code, it is important to address it promptly to avoid any further damage to your vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you notice the engine light on, it could be a sign of a P278E fault code. Here are the symptoms to look out for:

  • The P278E fault code in automobiles can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include transmission shifting issues, decreased fuel efficiency, and decreased engine performance.
  • Additionally, the vehicle may experience difficulty accelerating or shifting gears, and there may be a noticeable decrease in power.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code p278e can be caused by a faulty or openshorted Kick Down Switch and poor electrical connection.

  • The automobile fault code P278E can be caused by a faulty Kick Down Switch.
  • It can also be caused by an open or shorted Kick Down Switch harness.
  • Additionally, a poor electrical connection in the Kick Down Switch circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code p278e, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code p278e, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P278E has an estimated repair time of 1.0 hour. The cost of fixing this fault code is influenced by the repair time. Most auto repair shops charge between $75 and $150 per hour for their services.

Therefore, the fixing cost of P278E will range between $75 and $150, depending on the repair time required.

The P278E fault code is related to the Kick Down Switch Circuit signal. The Transmission Control Module (TCM) is responsible for monitoring this signal. If the signal is not within the factory specifications, the TCM will set the P278E OBDII code.

This fault code indicates an intermittent or erratic issue with the Kick Down Switch Circuit. It is important to address this issue promptly as it can affect the performance of the transmission.

A qualified mechanic should diagnose and repair the issue to prevent further damage to the vehicle.

What are the possible causes of the P278E automobile fault code?

If you see the engine light on or service engine soon warning light, it could be due to the P278E fault code. This code is usually caused by a faulty kick-down switch, an open or shorted kick-down switch harness, or a poor electrical connection in the kick-down switch circuit. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can I visually inspect the related wiring harness and connectors to fix the P278E fault code?

If you’re experiencing the P278E fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may need to visually inspect the related wiring harness and connectors. This fault code is often caused by a faulty Kick Down Switch, an open or shorted Kick Down Switch harness, or a poor electrical connection in the Kick Down Switch circuit. To fix the issue, check the possible causes listed above and inspect the wiring harness and connectors for any damage or corrosion. Look for broken, bent, pushed out, or corroded connector pins.

What are the signs of damaged components that I should look for when fixing the P278E fault code?

If you’re fixing the P278E fault code, keep an eye out for the engine light turning on or the service engine soon warning light. These could be signs of a faulty kick down switch, an open or shorted kick down switch harness, or a poor electrical connection in the kick down switch circuit. To fix the issue, visually inspect the wiring harness and connectors, and check for any damaged components or broken, bent, pushed out, or corroded connector pins.

p278e error fault code explained

If your engine light is on and the code is p278e, it may be due to a faulty kick down switch or poor electrical connection.

To fix it, visually inspect the wiring harness and connectors for any damage or corrosion.

Check for broken or bent pins and replace any damaged components.

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