Engine-CodesGeneric – P1361

P1361 Code - Top Dead Center Sensor 1 Intermittent Interruption

Quick Answer

The OBD-II trouble code P1361 indicates an intermittent interruption in the Top Dead Center (TDC) Sensor 1 circuit. Common causes include Faulty TDC sensor, Damaged wiring or connectors in the TDC sensor circuit, Corrosion or poor 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
P1361 indicates Top Dead Center Sensor 1 Intermittent Interruption.
Common causes
Common causes include Faulty TDC sensor, Damaged wiring or connectors in the TDC sensor circuit, Corrosion or poor 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 09, 2024
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Code P1361 Description

The OBD-II trouble code P1361 indicates an intermittent interruption in the Top Dead Center (TDC) Sensor 1 circuit. The TDC sensor is a crucial component in the engine's ignition system, responsible for detecting the position of the number one piston in the engine's cylinder. This information is vital for the engine control module (ECM) to accurately adjust the ignition timing and fuel injection timing, ensuring optimal engine performance and efficiency.

OBDII Code P1361 - Top Dead Center Sensor 1 Intermittent Interruption
P1361 Code - Top Dead Center Sensor 1 Intermittent Interruption

Common Causes of P1361

  1. Faulty TDC sensor
  2. Damaged wiring or connectors in the TDC sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. ECM software or hardware issues
  5. Mechanical engine problems affecting TDC sensor operation

Symptoms of P1361

  1. Engine misfires or hesitation during acceleration
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Illumination of the Check Engine Light
  5. Difficulty starting the engine

How to Fix P1361

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and inspect the TDC sensor and circuit for any visible damage.
  2. Test the TDC sensor's operation using a multimeter to check for proper voltage and continuity.
  3. Inspect and repair any damaged wiring or connectors in the TDC sensor circuit.
  4. Replace the TDC sensor if it is found to be faulty or malfunctioning.
  5. Clear the trouble code from the ECM memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1361

The typical repair costs for addressing an intermittent interruption in the TDC Sensor 1 circuit can vary depending on the specific vehicle make and model, as well as the labor rates in your area. On average, the cost of replacing a TDC sensor and repairing any related wiring issues can range from $150 to $300. It's important to factor in additional costs for diagnostic time and labor rates, which can vary between auto repair shops. It's recommended to consult with a qualified mechanic or service center for a more accurate estimate based on your vehicle's requirements.

Tech Notes for P1361









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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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