[SOLVED] P0697 Code: Fix Sensor Reference Voltage ‘c’ Circuit Open Now!

The automobile fault code P0697 indicates a problem with the Engine Control Module (ECM).

The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light. The cause of this fault code can be a faulty ECM, an open or shorted ECM harness, poor electrical connection in the ECM circuit, or a shorted sensor on the 5-volt circuit. To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion.

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

The repair time for this issue is estimated to be around 1.0. It is important to address this fault code promptly to prevent 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 p0697 fault code.

  • The symptoms of the automobile fault code p0697 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0697 can be caused by a faulty ECM, open or shorted ECM harness, poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit.

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  • The fault code p0697 can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit.

To fix the p0697 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0697, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • This fix is estimated to take approximately 1.0 hour.

The factors influencing the diagnosis and fixing cost of the automobile fault code p0697 are the estimated repair time and the hourly rate charged by auto repair shops.

The estimated repair time for this fault code is 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for their services. These factors will determine the overall cost of diagnosing and fixing the p0697 fault code.

The P0697 fault code refers to a problem with the Sensor Reference Voltage ‘C’ Circuit O in the control module of your automobile.

The control module has internal 5-volt reference buses that provide a 5-volt reference circuit for multiple sensors. If there is a fault condition on one 5-volt reference circuit, it can affect the other circuits connected to the reference bus. The control module constantly monitors the voltage on these reference buses.

The P0697 code indicates an issue with the Sensor Reference Voltage ‘C’ Circuit O specifically.

What are the possible causes of the automobile fault code p0697?

If you see the engine light on or the service engine soon warning light, the fault code P0697 could be the culprit. This code is often caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt 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. Don’t forget to check the possible causes mentioned above.

How can I visually inspect the wiring harness and connectors to fix the fault code p0697?

To fix fault code P0697, 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 Engine Control Module (ECM) is faulty, if there is an open or shorted ECM harness, if there is a poor electrical connection in the ECM circuit, or if there is a shorted sensor on the 5 volt circuit. Take a close look and address any issues found to resolve the problem.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p0697?

When resolving the fault code p0697, start by checking for damaged components and connector’s pins. Visually inspect the related wiring harness and connectors, looking for any signs of damage such as broken, bent, pushed out, or corroded pins. This can help identify if the Engine Control Module (ECM) is faulty, if the ECM harness is open or shorted, if there is a poor electrical connection in the ECM circuit, or if there is a shorted sensor on the 5 volt circuit. Take the necessary steps to fix any issues found during the inspection.

p0697 error fault code explained

If your engine light is on and you’re seeing the P0697 fault code, it could be due to a faulty Engine Control Module (ECM), an open or shorted ECM harness, poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt 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.

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