[SOLVED] P1623 Code: Fix Transmission Fluid Temperature Sensor Circuit Conditions!

Are you wondering what the automobile fault code P1623 means?

Well, when you see the Engine Light ON or the Service Engine Soon Warning Light, it could be an indication of this fault code. The P1623 code is typically caused by a faulty Transmission Fluid Temperature (TFT) sensor or issues with the TFT circuit.

To fix this problem, you should visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded pins on the connectors.

This repair is important as it can affect the performance of your transmission. The difficulty level for this repair is moderate, and it should take around 1.0 hour to complete. So, don’t delay in addressing this issue and get your vehicle back on the road smoothly.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Unveiling The Mystery: Symptoms Of Fault Code P1623

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1623 fault code.

The symptoms of the automobile fault code p1623 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

Unraveling The Mystery: What Causes Fault Code P1623?

The automobile fault code p1623 can be caused by a faulty Transmission Fluid Temperature (TFT), an open or shorted TFT harness, or a poor electrical connection in the TFT circuit.

The fault code P1623 can be caused by: a faulty Transmission Fluid Temperature (TFT), an open or shorted Transmission Fluid Temperature (TFT) harness, or a poor electrical connection in the Transmission Fluid Temperature (TFT) circuit.

Fixing Code P1623: Simple Steps To Resolve The Fault

To fix the p1623 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

To fix the automobile fault code p1623, you need to follow these steps: 1.
Check the possible causes mentioned above.
2.
Visually inspect the wiring harness and connectors related to the fault code.
3.
Look for any damaged components.
4.
Check for broken, bent, pushed out, or corroded pins in the connectors.
5.
Repairing this fault code is estimated to take approximately 1.0 hour.

Cracking The Code: P1623 Fixing Cost And Complexity Unveiled!

The factors influencing the cost of diagnosing and fixing the automobile fault code p1623 include the estimated repair time of 1.0 hour and the typical hourly rate charged by auto repair shops, which ranges between $75 and $150.

P1623 Fault Code: Understanding The Description And Troubleshooting Steps

When you start your car with a cold engine and the engine is running, the Powertrain Control Module (PCM) may detect a fault in the PCM pull-up resistor. This resistor is responsible for adjusting the resolution of the Engine Coolant Temperature (ECT) throughout the entire range of engine operation. This fault is indicated by the P1623 fault code.

The code specifically refers to a problem with the Transmission Fluid Temperature Sensor Pullup Resistor Circuit. It is important to address this issue promptly to ensure proper functioning of your transmission and to prevent any potential damage.

FAQ

What are the possible causes of fault code P1623 and how can I visually inspect them?

If you’re seeing the engine light or service engine soon warning light and have fault code P1623, there are a few possible causes to consider. It could be due to a faulty transmission fluid temperature (TFT), an open or shorted TFT harness, or a poor electrical connection in the TFT circuit. To visually inspect these potential causes, check the related wiring harness and connectors. Look for any damaged components and examine the connector’s pins for any signs of being broken, bent, pushed out, or corroded.

How does a faulty Transmission Fluid Temperature (TFT) affect the engine light and what steps can I take to fix it?

If you notice the engine light or service engine soon warning light is on, it could be due to a faulty Transmission Fluid Temperature (TFT). This can be caused by an open or shorted TFT harness or a poor electrical connection in the TFT circuit. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Be sure to address any issues you find to resolve the problem.

What should I look for when inspecting the wiring harness and connectors related to the Transmission Fluid Temperature (TFT) circuit for fault code P1623?

When inspecting the wiring harness and connectors related to the Transmission Fluid Temperature (TFT) circuit for fault code P1623, look for any visual signs of damage or poor electrical connections. Check for broken, bent, pushed out, or corroded connector pins. These issues can cause the Engine Light to turn on. To fix the problem, visually inspect the wiring harness and connectors, and replace any damaged components.

Wrap Up

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to the p1623 fault code.

This is caused by a faulty Transmission Fluid Temperature (TFT), an open or shorted TFT harness, or a poor electrical connection in the TFT circuit. To fix this, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.