P143E Cadillac Code - Fuel Level Sensor 2 Reference Feedback Performance
Quick Answer
The signal circuit is connected to the Fuel Pump Driver Control Module, the control module communicates with the Engine Control Module (ECM) via serial data. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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
- P143E Cadillac indicates Fuel Level Sensor 2 Reference Feedback Performance.
- Common causes
- Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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 P143E Cadillac Description
What are the Possible Causes of the DTC P143E Cadillac?
- Faulty Fuel Pump Driver Control Module
- Fuel Pump Driver Control Module harness is open or shorted
- Fuel Pump Driver Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P143E Cadillac?
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 P143E Cadillac 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 P143E Cadillac Code
What does OBDII code P143E mean for a Cadillac?
OBDII code P143E indicates a problem with the fuel level sensor 2 reference feedback performance, suggesting the sensor is not providing accurate readings to the engine control module (ECM).
What are the common symptoms of code P143E?
Common symptoms include an inaccurate fuel gauge reading, warning lights on the dashboard, poor fuel economy, and potential engine performance issues due to incorrect fuel level readings.
What are the potential causes of code P143E?
Potential causes include a faulty fuel level sensor, damaged wiring or connectors, a malfunctioning ECM, or issues within the fuel tank itself, such as debris or damage.
How can I diagnose code P143E?
To diagnose code P143E, check the fuel level sensor’s electrical connections and wiring for damage, use a multimeter to test the sensor’s resistance, and inspect the ECM for any fault codes or malfunctions.
What repairs might be needed to fix code P143E?
Repairs may include replacing the faulty fuel level sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the ECM if needed.
Can I drive my Cadillac with code P143E?
While you can drive with code P143E, it's not recommended as it may lead to inaccurate fuel level readings and could result in running out of fuel unexpectedly.
How do I reset the check engine light after fixing code P143E?
After repairing the issue, you can reset the check engine light by using an OBDII scanner to clear the codes or by disconnecting the vehicle's battery for a few minutes.
Is P143E a serious issue that requires immediate attention?
While not immediately critical, P143E should be addressed soon to prevent potential fuel supply issues and ensure accurate fuel level readings, which can affect driving convenience.
What is the average cost to repair code P143E?
The cost to repair P143E can vary widely depending on the cause, ranging from $100 to $300 for sensor replacement, and potentially more if wiring or ECM issues are involved.
Discuss the causes and fixes for P143E Cadillac OBDII Code
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