P0643 2013 Nissan Rogue Code - Sensor Power Supply Circuit Short
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
- P0643 2013 Nissan Rogue indicates Sensor Power Supply Circuit Short.
- 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 P0643 2013 Nissan Rogue Description
What are the Possible Causes of the DTC P0643 2013 Nissan Rogue?
- Faulty Engine Control Module (ECM)
- ECM harness is open or shorted
- ECM circuit poor electrical connection
- Shorted sensor on 5 volt circuit
- Accelerator pedal position sensor (APP sensor 1)
- Power steering pressure sensor
- EVAP control system pressure sensor
- Refrigerant pressure sensor
How to Fix the DTC P0643 2013 Nissan Rogue?
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 P0643 2013 Nissan Rogue 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 P0643 2013 Nissan Rogue code?
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Frequently Asked Questions about P0643 2013 Nissan Rogue Code
1. What does the OBDII code P0643 mean on a 2013 Nissan Rogue?
P0643 indicates a problem with the sensor power supply circuit, specifically a high voltage issue caused by a short or malfunction in the circuit.
2. What are the common symptoms of a P0643 code in a 2013 Nissan Rogue?
Symptoms may include poor engine performance, hesitation during acceleration, difficulty starting, the check engine light turning on, and erratic sensor readings.
3. What causes the P0643 code to appear on a 2013 Nissan Rogue?
This code is typically caused by a short or open circuit in the sensor power supply, a faulty sensor, damaged wiring, or a malfunctioning Engine Control Module (ECM).
4. Can I still drive my 2013 Nissan Rogue with a P0643 code?
While the vehicle may still be drivable, it’s not recommended due to potential engine performance issues and the risk of further damage to critical components.
5. How do I diagnose a P0643 code on a 2013 Nissan Rogue?
Diagnose by checking for damaged wiring, inspecting connectors for corrosion, testing the sensor power supply voltage, and using a scan tool to monitor related sensor data.
6. What sensors might be affected by the P0643 code in a 2013 Nissan Rogue?
Sensors that rely on the power supply circuit, such as the throttle position sensor, MAP sensor, or mass airflow sensor, may be affected.
7. How do you fix a P0643 code on a 2013 Nissan Rogue?
Repairs may involve replacing damaged wiring, repairing short circuits, cleaning or replacing faulty sensors, or, in rare cases, replacing the ECM.
8. How much does it cost to fix the P0643 code on a 2013 Nissan Rogue?
Repair costs vary depending on the root cause but typically range from $100 to $500, including parts and labor.
9. Can a faulty ECM cause the P0643 code in a 2013 Nissan Rogue?
Yes, although it’s less common, a malfunctioning ECM can cause issues with the sensor power supply circuit and trigger the P0643 code.
10. Will clearing the P0643 code fix the problem in a 2013 Nissan Rogue?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be fixed to prevent the code from returning.
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