[SOLVED] P1654 Code: Fix Instrumentation Control Module System Malfunction Now!

The automobile fault code P1654 indicates a potential issue with the coolant temperature sensor. When this fault code is triggered, the engine light or service engine soon warning light will illuminate.

The possible causes for this fault code include checking the engine oil level, a faulty coolant temperature sensor, an open or shorted coolant temperature sensor harness, or a poor electrical connection in the coolant temperature sensor circuit. To fix this issue, it is recommended to visually inspect the wiring harness and connectors, checking for any damaged components or broken, bent, pushed out, or corroded connector pins. The repair time for this issue is estimated to be around 1.0 hour.

It is important to address this fault code promptly to prevent any further damage to the vehicle.

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

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When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1654 fault code.

  • The symptoms of the automobile fault code P1654 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p1654 can be caused by various factors, including low engine oil level, a faulty coolant temperature sensor, an open or shorted coolant temperature sensor harness, or a poor electrical connection in the coolant temperature sensor circuit.

  • The fault code P1654 can be caused by the following factors: low engine oil level, a faulty coolant temperature sensor, an open or shorted coolant temperature sensor harness, and a poor electrical connection in the coolant temperature sensor circuit.

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To fix the p1654 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1654, 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.
  • The estimated repair time for this fix is 1.0 hour.

The automobile fault code P1654 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of the repair will depend on the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

The P1654 fault code indicates a potential issue with the Instrumentation Control Module (ICM).

To diagnose this code, it is necessary to check for codes in the ICM and address any repairs needed for each code found.

Common problems associated with this fault code include the Engine Oil Level and Coolant Temperature Sensor. If you encounter this code, it is important to address it promptly to ensure the proper functioning of your vehicle’s instrumentation control system.

What are the possible causes for the automobile fault code P1654 and how can I check them?

If you’re seeing the fault code P1654 and your engine light is on, there are a few possible causes to check. First, make sure to check your engine oil level. If that’s not the issue, it could be a faulty coolant temperature sensor or a problem with the sensor’s harness. Take a look at the wiring harness and connectors to visually inspect for any damage. Check for broken, bent, pushed out, or corroded pins on the connectors. By following these steps, you can diagnose and fix the problem causing the fault code.

How can I visually inspect the wiring harness and connectors to fix the P1654 fault code?

If you’re dealing with the P1654 fault code and your engine light is on, it’s time to take action. Start by checking your engine oil level and the coolant temperature sensor. If those are fine, the issue might lie in the wiring harness and connectors. Take a close look at them, searching for any signs of damage or corrosion. Pay special attention to the connector’s pins, making sure they’re not broken, bent, or pushed out. By visually inspecting these components, you’ll be one step closer to fixing the problem.

What should I look for when checking for damaged components and connector pins to resolve the P1654 fault code?

When resolving the P1654 fault code, start by checking for damaged components and connector pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any broken, bent, pushed out, or corroded pins on the connectors. By doing this, you can identify any issues that may be causing the fault code and take the necessary steps to fix them.

p1654 error fault code explained

If your engine light is on, it could be due to a few reasons.

First, check your engine oil level.

If that’s not the issue, it could be a faulty coolant temperature sensor or a problem with the sensor’s harness. To fix it, visually inspect the wiring harness and connectors for any damage.

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

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