[SOLVED] P1376 Code – Ignition Ground Circuit: Causes And Fixes

The automobile fault code P1376 indicates a problem with the Ignition Control Module.

When this fault code appears, the Engine Light or Service Engine Soon Warning Light will turn on. The possible causes for this issue include a faulty Ignition Control Module, an open or shorted harness, or a poor electrical connection in the Ignition Control Module circuit. To fix this problem, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion.

Additionally, look for any broken, bent, pushed out, or corroded pins in the connectors. The repair time for this issue is estimated to be around 1.0 hour.

By addressing this fault code promptly, you can ensure the proper functioning of your vehicle’s ignition system.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level6.67 (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 p1376 fault code.

  • The symptoms of the automobile fault code P1376 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p1376 can be caused by a faulty Ignition Control Module, an open or shorted harness, or a poor electrical connection in the module circuit.

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  • The fault code P1376 can be caused by the following: a faulty Ignition Control Module, an open or shorted Ignition Control Module harness, and a poor electrical connection in the Ignition Control Module circuit.

To fix the automobile fault code p1376, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p1376, 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.

The factors influencing the cost of diagnosing and fixing the automobile fault code p1376 are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P1376 fault code refers to the Ignition Ground Circuit. It occurs when the Reference Low Voltage to the Powertrain Control Module (PCM) is too low. The PCM applies 2.5 volts on the Reference Low Voltage circuit to the Ignition Control Module, ensuring that all signals have the same ground reference.

However, if the Reference Low Voltage is too low, the PCM will set the Diagnostic Trouble Code (DTC) P1376. This fault code indicates a problem with the ignition ground circuit.

What are the possible causes of fault code P1376 in an automobile?

If you’re seeing the engine light or service engine soon warning light in your automobile, it could be due to fault code P1376. This code is often caused by a faulty ignition control module, an open or shorted ignition control module harness, or a poor electrical connection in the ignition control module 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.

How can I visually inspect the wiring harness and connectors to fix fault code P1376?

To fix fault code P1376, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify if the issue lies with a faulty ignition control module, an open or shorted harness, or a poor electrical connection. Take note of the possible causes mentioned and address them accordingly.

What should I look for when checking for damaged components and corroded connector pins to resolve fault code P1376?

When resolving fault code P1376, start by checking for damaged components and corroded 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. These issues can cause a faulty Ignition Control Module or poor electrical connection in the module circuit. By addressing these possible causes, you can resolve the symptom of the engine light being on.

p1376 error fault code explained

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a faulty Ignition Control Module or issues with the module’s harness or electrical connection. To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken, bent, pushed out, or corroded connector pins.

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