P0642 Mitsubishi Code - Throttle Position Sensor Power Supply
Quick Answer
The control module has 2 internal 5-volt reference buses called "5-volt reference 1" and"5-volt reference 2". Common causes include Faulty Engine Control Module (ECM), ECM harness is open or shorted, ECM circuit poor electrical connection. 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
- P0642 Mitsubishi indicates Throttle Position Sensor Power Supply.
- Common causes
- Common causes include Faulty Engine Control Module (ECM), ECM harness is open or shorted, ECM circuit poor electrical connection.
- 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.
Code P0642 Mitsubishi Description
What are the Possible Causes of the DTC P0642 Mitsubishi?
- Faulty Engine Control Module (ECM)
- ECM harness is open or shorted
- ECM circuit poor electrical connection
- Shorted sensor on 5 volt circuit
How to Fix the DTC P0642 Mitsubishi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0642 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0642 Mitsubishi code?
Need more information on how to fix the P0642 Mitsubishi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0642 Mitsubishi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0642 Mitsubishi Code
1. What are the common symptoms of OBDII code P0642 in a Mitsubishi related to the throttle position sensor power supply?
The common symptoms include engine stalling, rough idling, reduced engine power, and difficulty accelerating.
2. What usually causes the OBDII code P0642 related to the throttle position sensor power supply in a Mitsubishi?
The code is typically triggered by a malfunction in the throttle position sensor power supply circuit, such as a short circuit or open circuit.
3. How can I diagnose the OBDII code P0642 in my Mitsubishi related to the throttle position sensor power supply?
Diagnosis involves checking the throttle position sensor wiring for damage, testing the sensor's voltage output, and inspecting the power supply circuit for faults.
4. Can a faulty throttle position sensor itself trigger the OBDII code P0642 in a Mitsubishi?
Yes, a faulty throttle position sensor can cause irregular voltage output, leading to the triggering of the P0642 code related to the sensor's power supply.
5. What are some repair tips for addressing the OBDII code P0642 in a Mitsubishi related to the throttle position sensor power supply?
Repair options include repairing damaged wiring, replacing the throttle position sensor, checking and repairing any power supply circuit issues, and clearing the trouble code.
6. Is it safe to continue driving my Mitsubishi with the OBDII code P0642 related to the throttle position sensor power supply?
It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential safety hazards. It's best to address the problem promptly.
7. Can resetting the OBDII code P0642 related to the throttle position sensor power supply in a Mitsubishi solve the issue?
Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the code. Proper diagnosis and repair are necessary.
8. How much does it typically cost to repair the OBDII code P0642 in a Mitsubishi related to the throttle position sensor power supply?
The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300, including parts and labor.
9. Are there any preventative measures I can take to avoid the OBDII code P0642 related to the throttle position sensor power supply in my Mitsubishi?
Regularly inspecting and maintaining the throttle position sensor, as well as ensuring the wiring and connections are in good condition, can help prevent issues leading to this code.
10. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code P0642 related to the throttle position sensor power supply in a Mitsubishi?
Depending on the cause of the issue, some DIY enthusiasts may be able to address the problem by following repair guides and using basic tools. However, more complex issues may require professional assistance.
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