P1402 Subaru Code - Fuel Level Sensor Circuit Malfunction
Quick Answer
P1402 Subaru indicates Fuel Level Sensor Circuit Malfunction. Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor 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
- P1402 Subaru indicates Fuel Level Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor 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 P1402 Subaru Description
What are the Possible Causes of the DTC P1402 Subaru?
- Faulty Fuel Level Sensor
- Fuel Level Sensor harness is open or shorted
- Fuel Level Sensor circuit poor electrical connection
How to Fix the DTC P1402 Subaru?
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 P1402 Subaru 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.
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Frequently Asked Questions about P1402 Subaru Code
1. What does the OBDII code P1402 mean on a Subaru?
P1402 indicates a Fuel Level Sensor Circuit Malfunction, meaning the vehicle's computer has detected an issue with the fuel level sensor or its associated circuitry.
2. What are the symptoms of a P1402 code on a Subaru?
Common symptoms include erratic or inaccurate fuel gauge readings, a check engine light, and, in some cases, issues with fuel system-related performance.
3. What causes the P1402 code to appear on a Subaru?
Possible causes include a faulty fuel level sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning ECM.
4. Can a bad fuel pump trigger the P1402 code?
While the fuel pump itself is not typically the direct cause, issues with the fuel pump assembly, which houses the fuel level sensor, could contribute to the code.
5. How can I diagnose a P1402 code on my Subaru?
Start by checking the wiring and connectors for damage or corrosion. Use a multimeter to test the fuel level sensor's resistance and verify the circuit's continuity.
6. Is it safe to drive with a P1402 code on my Subaru?
Yes, it’s generally safe to drive, but you may experience inaccurate fuel gauge readings, which can lead to running out of fuel unexpectedly.
7. How do I fix the P1402 code on a Subaru?
Repairs may involve replacing the fuel level sensor, repairing damaged wiring, or cleaning corroded connectors in the circuit.
8. How much does it cost to repair a P1402 code on a Subaru?
The cost depends on the specific issue, but replacing a fuel level sensor typically costs $200–$400, including parts and labor.
9. Can a P1402 code cause poor fuel economy?
While the code itself doesn’t directly impact fuel economy, misjudging fuel levels due to a faulty sensor can lead to inefficient driving habits.
10. Will clearing the P1402 code fix the problem?
Clearing the code will turn off the check engine light temporarily, but if the underlying issue isn’t resolved, the code will likely return.
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