Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the temperature from the sensor that checks how good the engine oil is.
The P1586 code indicates an issue with the engine oil quality sensor's ability to measure temperature accurately.
The engine oil quality sensor is responsible for monitoring the condition and temperature of the engine oil. If the sensor fails to provide accurate temperature readings, the Engine Control Module (ECM) may set the P1586 code.
• Check Engine Light is on
• Inaccurate oil temperature readings
• Possible engine performance issues
• Faulty engine oil quality sensor
• Wiring issues or poor connections
• Malfunctioning ECM
ECM: Engine Control Module
OBD-II: On-Board Diagnostics II
• Verify the presence of the P1586 code using an OBD-II scanner.
• Inspect the wiring and connections to the engine oil quality sensor.
• Test the sensor for proper operation and replace if necessary.
• Replace the faulty engine oil quality sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if needed.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Volkswagen Passat
• Audi A4
• BMW 3 Series
• Regularly check and maintain engine oil levels.
• Inspect sensor connections periodically.
• Use high-quality engine oil.
Sensor Issue
• Have the vehicle inspected by a professional.
• Avoid driving long distances until the issue is resolved.
Check with your vehicle manufacturer for warranty coverage on sensors.
This code has been reported in vehicles with aging sensors and wiring issues.
Moderate – It should be addressed soon to avoid potential engine damage.
Ignoring this code could lead to engine damage, which may not be covered under warranty.
• Engine at operating temperature
• Vehicle stationary
The engine oil quality sensor is typically located near the oil pan or oil filter housing.
Q: Can I drive with a P1586 code?
A: It's best to have it checked soon to avoid potential engine damage.
Q: How do I reset the P1586 code?
A: The code can be reset with an OBD-II scanner, but it's important to fix the underlying issue first.
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