[SOLVED] P1397 Code: Fixing System Voltage Out Of Self Test Range

Are you wondering what the automobile fault code P1397 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 P1397 code is typically caused by a loose or missing alternator belt, low battery voltage, or a faulty charging system. To fix this issue, you should start by visually inspecting the wiring harness and connectors.

Look out for any damaged components and check for broken, bent, pushed out, or corroded connector pins. This repair is of moderate importance and difficulty, with an estimated time of 1.0. So, if you encounter this fault code, make sure to address it promptly to avoid any further complications.

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

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1397 fault code.

  • The symptoms of the automobile fault code p1397 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p1397 can be caused by a loose or missing alternator belt, low battery voltage, or a faulty charging system.

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  • The fault code P1397 can be caused by the following: alternator belt loose or missing, low battery voltage, and a faulty charging system.

To fix the automobile fault code p1397, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p1397, 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 factors influencing the diagnosis and fixing cost of automobile fault code p1397 are the estimated repair time of 1.0 hour and the average hourly rate charged by auto repair shops, which ranges between $75 and $150.

The P1397 fault code is a signal that the 12-volt system voltage is either too high or too low during the Key On Engine Off (KOEO) or key on engine running (KOER) self-test.

This code is triggered if the system voltage falls below or exceeds the calibrated threshold at any point during the self-test.

It is important to address this issue promptly to ensure the proper functioning of your vehicle’s electrical system.

What are the possible causes for the automobile fault code P1397?

If you see the engine light or service engine soon warning light on, the fault code P1397 could be the culprit. This code can be caused by a loose or missing alternator belt, low battery voltage, or a faulty charging system. To fix the issue, start by checking the possible causes mentioned above. Take a close look at the wiring harness and connectors, making sure there are no visible damages. Also, check for any broken, bent, pushed out, or corroded pins in the connectors.

How can I visually inspect the wiring harness and connectors to fix the P1397 fault code?

If you’re dealing with the P1397 fault code and your engine light is on, it’s time to take action. The cause could be a loose or missing alternator belt, low battery voltage, or a faulty charging system. To fix it, 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. Don’t delay, get to the bottom of the issue and get your engine running smoothly again.

What should I look for when checking for damaged components or corroded connector pins to resolve the P1397 fault code?

When resolving the P1397 fault code, start by checking for damaged components or corroded connector pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded pins. By addressing these issues, you can effectively fix the problem and get rid of the Engine Light or Service Engine Soon Warning Light. Don’t forget to also check the possible causes mentioned above, such as a loose or missing alternator belt or low battery voltage.

p1397 error fault code explained

If your engine light is on or you see the service engine soon warning light, it could be due to a loose or missing alternator belt, low battery voltage, or a faulty charging system. To fix this issue, check the possible causes mentioned above. Inspect the wiring harness and connectors visually, and look for any damaged components or broken, bent, pushed out, or corroded connector pins.

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