OBD-II code P2066 is a diagnostic trouble code related to the fuel level sensor in your vehicle. This code is triggered when the engine control module (PCM) detects an irrational signal from the fuel level sensor, which may be part of the fuel pump assembly.
What Does the P2066 Code Mean?
The P2066 code indicates a performance issue with the Fuel Level Sensor “B”. This sensor provides the PCM with accurate information about the amount of fuel present in the fuel tank. When the PCM receives incorrect or erratic data from the sensor, it will set this trouble code.
What Causes the P2066 Code?
- Fuel level sensor failure
- Powertrain Control Module (PCM) failure
- Wiring issues related to the fuel level sensor
What Are the Symptoms of the P2066 Code?
- Inaccurate fuel gauge reading
- Potentially running out of fuel unexpectedly
How Serious Is the P2066 Code?
The P2066 code is classified as a moderate severity issue. While it may not immediately threaten the vehicle’s safety or functionality, it is essential to address it within a reasonable timeframe to ensure proper vehicle operation.
How to Diagnose the P2066 Code
To diagnose the P2066 code, a mechanic will typically perform the following steps:
- Use an OBD-II scanner to confirm the presence of the P2066 code.
- Inspect the wiring and connectors related to the fuel level sensor for damage or corrosion.
- Test the fuel level sensor’s resistance and output signal.
- Check the PCM for any related codes or issues.
Common Repairs for the P2066 Code
- Replacing the fuel level sensor
- Repairing or replacing damaged wiring or connectors
- Reprogramming or replacing the PCM if necessary
How Much Does It Cost to Fix the P2066 Code?
The cost to fix the P2066 code can vary widely depending on the root cause of the issue. On average, you might expect to pay between $100 and $500 for repairs, which could include parts and labor.
Can I Fix the P2066 Code Myself?
If you have experience with automotive repairs, you may be able to diagnose and fix the P2066 code yourself. However, if you are unsure or lack the necessary tools, it is advisable to consult a professional mechanic to avoid further complications.
