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P1295 Mitsubishi Code - No 5 Volts To Throttle Position Sensor

Quick Answer

The P1295 diagnostic trouble code for Mitsubishi vehicles indicates that there is no 5 volts supply to the throttle position sensor (TPS). Common causes include Faulty throttle position sensor, Wiring or connector issues in the TPS circuit, Blown fuse related to the TPS supply voltage. 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
P1295 Mitsubishi indicates No 5 Volts To Throttle Position Sensor.
Common causes
Common causes include Faulty throttle position sensor, Wiring or connector issues in the TPS circuit, Blown fuse related to the TPS supply voltage.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1295 Mitsubishi Description

The P1295 diagnostic trouble code for Mitsubishi vehicles indicates that there is no 5 volts supply to the throttle position sensor (TPS). The TPS is a crucial component in the engine management system, as it helps the engine control unit (ECU) determine the optimal fuel and air mixture for combustion based on the position of the throttle. When there is no 5 volts supply to the TPS, it can lead to incorrect readings or a complete lack of signal, resulting in poor engine performance, reduced fuel efficiency, and potential drivability issues.

OBDII Code P1295 Mitsubishi - No 5 Volts To Throttle Position Sensor
P1295 Mitsubishi Code - No 5 Volts To Throttle Position Sensor

Common Causes of P1295 Mitsubishi

  1. Faulty throttle position sensor
  2. Wiring or connector issues in the TPS circuit
  3. Blown fuse related to the TPS supply voltage
  4. ECU malfunction or communication error
  5. Electrical system issues affecting the TPS circuit

Symptoms of P1295 Mitsubishi

  1. Engine hesitation or lack of responsiveness when accelerating
  2. Rough idling or unstable engine RPM
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated on the dashboard
  5. Limp mode activation, limiting engine power and performance

How to Fix P1295 Mitsubishi

  1. Begin by conducting a thorough visual inspection of the TPS wiring harness and connectors to check for any signs of damage, corrosion, or loose connections.
  2. Test the throttle position sensor using a multimeter to verify if it is receiving the correct voltage supply. Replace the TPS if it fails this test.
  3. Inspect and replace any blown fuses in the TPS circuit to ensure proper voltage supply.
  4. If the issue persists, consider testing the ECU for any faults or errors in communication with the TPS. Replace or reprogram the ECU if necessary.
  5. Clear the diagnostic trouble codes using an OBD-II scanner and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P1295 Mitsubishi

The typical repair costs for addressing the P1295 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, replacing a faulty throttle position sensor can range from $100 to $300, including parts and labor. However, if the problem is related to wiring issues, fuse replacements, or ECU diagnostics, the costs can increase accordingly. Additionally, the diagnosis time and labor rates at auto repair shops can vary, so it's advisable to consult with a professional technician for a more accurate estimate based on your vehicle's make and model.

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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.

Frequently Asked Questions about P1295 Mitsubishi Code

1. What does the OBDII code P1295 mean on a Mitsubishi?

P1295 indicates that the engine control module (ECM) has detected no 5-volt reference signal to the throttle position sensor (TPS), which is necessary for proper throttle operation.

2. What are the symptoms of code P1295 in a Mitsubishi vehicle?

Common symptoms include poor acceleration, reduced engine power, stalling, an illuminated check engine light, and erratic throttle response.

3. What causes the P1295 code in a Mitsubishi?

Potential causes include a faulty throttle position sensor (TPS), damaged wiring or connectors in the TPS circuit, a defective ECM, or issues with the 5-volt reference circuit.

4. Can a faulty throttle position sensor trigger the P1295 code?

Yes, a faulty TPS is one of the primary causes of this code, as it may fail to receive the required 5-volt reference signal from the ECM.

5. How can I diagnose the P1295 code on my Mitsubishi?

Start by inspecting the TPS wiring and connectors for damage or loose connections. Use a multimeter to check for the presence of a 5-volt reference signal at the TPS. If no voltage is present, test the circuit and the ECM.

6. Is it safe to drive with the P1295 code on a Mitsubishi?

Driving with this code is not recommended, as it can lead to reduced engine performance, unsafe driving conditions, and potential damage to other components.

7. How do I fix the P1295 code in my Mitsubishi?

Repairs may include replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, or, in rare cases, replacing the ECM if it is faulty.

8. Can a problem with the ECM cause the P1295 code?

Yes, a malfunctioning ECM may fail to provide the 5-volt reference signal to the TPS, triggering the P1295 code.

9. What tools are needed to troubleshoot the P1295 code?

You’ll need an OBDII scanner, a multimeter to test voltage, and possibly a wiring diagram for your Mitsubishi model to trace the 5-volt reference circuit.

10. Does the P1295 code always mean the TPS is bad?

No, the TPS may not be the issue. The problem could also lie in the wiring, connectors, or ECM that supplies the 5-volt reference signal. Proper diagnosis is essential.

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