Engine-CodesGeneric – P0C68

P0C68 Code - Generator Position Sensor Circuit 'A' Intermittent/Erratic

Quick Answer

The diagnostic trouble code P0C68 indicates an issue with the Generator Position Sensor Circuit 'A' that is intermittent or erratic. Common causes include Faulty generator position sensor, Damaged or corroded wiring in the sensor circuit, Loose or poor electrical connections in the sensor circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0C68 indicates Generator Position Sensor Circuit 'A' Intermittent/Erratic.
Common causes
Common causes include Faulty generator position sensor, Damaged or corroded wiring in the sensor circuit, Loose or poor electrical connections in the sensor circuit.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0C68 Description

The diagnostic trouble code P0C68 indicates an issue with the Generator Position Sensor Circuit 'A' that is intermittent or erratic. This sensor plays a crucial role in monitoring the position and speed of the generator in the vehicle's electrical system. The generator, also known as the alternator, is responsible for producing electrical power to recharge the battery and power the various electrical components in the vehicle.

OBDII Code P0C68 - Generator Position Sensor Circuit 'A' Intermittent/Erratic
P0C68 Code - Generator Position Sensor Circuit 'A' Intermittent/Erratic

Common Causes of P0C68

  1. Faulty generator position sensor
  2. Damaged or corroded wiring in the sensor circuit
  3. Loose or poor electrical connections in the sensor circuit
  4. Issues with the ECM or other control modules
  5. Generator failure or malfunction

Symptoms of P0C68

  1. Illumination of the battery warning light on the dashboard
  2. Fluctuating or inconsistent voltage readings on the vehicle's voltmeter
  3. Difficulty starting the vehicle, especially in cold weather
  4. Dimming or flickering of the headlights or interior lights
  5. Loss of power steering or other electrical functions while driving

How to Fix P0C68

  1. Diagnose the issue by using a scan tool to read the fault codes and perform a visual inspection of the generator position sensor and its wiring.
  2. Test the generator position sensor for proper operation using a multimeter to check for continuity and resistance.
  3. Inspect and repair any damaged or corroded wiring in the sensor circuit, ensuring secure connections.
  4. Replace the generator position sensor if it is found to be faulty or malfunctioning.
  5. Clear the fault codes and reset the ECM to ensure proper functioning of the repaired sensor circuit.

Cost to Fix P0C68

The cost of repairing the Generator Position Sensor Circuit 'A' can vary depending on the make and model of the vehicle, as well as the labor rates in your area. On average, the parts for this repair can range from $50 to $200, while the labor costs can add another $100 to $300. Overall, you can expect to pay anywhere from $150 to $500 for this repair at an auto repair shop. Remember to factor in additional costs for diagnostic time and any other potential issues that may be uncovered during the repair process. It's always best to consult with a professional mechanic for a more accurate estimate tailored to your specific vehicle and location.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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