P1433 Cadillac Code - Fuel Level Sensor 2 Circuit High Voltage
Quick Answer
With the engine running, the Powertrain Control Module (PCM) detects that the Fuel Level sensor signal was more than 2.90v, condition met for over 2 minutes. 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
- P1433 Cadillac indicates Fuel Level Sensor 2 Circuit High Voltage.
- 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 P1433 Cadillac Description
What are the Possible Causes of the DTC P1433 Cadillac?
- Faulty Fuel Level Sensor
- Fuel Level Sensor harness is open or shorted
- Fuel Level Sensor circuit poor electrical connection
How to Fix the DTC P1433 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 P1433 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 P1433 Cadillac Code
1. What does the OBDII code P1433 mean on a Cadillac?
P1433 indicates a problem with the Fuel Level Sensor 2 Circuit, specifically a high voltage issue detected by the vehicle's engine control module (ECM).
2. What are the symptoms of code P1433 in a Cadillac?
Common symptoms include inaccurate fuel level readings, a check engine light, or erratic fuel gauge behavior.
3. What causes the P1433 code to appear?
This code can be triggered by issues such as a faulty fuel level sensor, damaged wiring or connectors in the circuit, or a malfunctioning ECM.
4. Can I drive my Cadillac with the P1433 code?
While the car may still be drivable, ignoring the P1433 code can lead to problems with fuel level accuracy, potentially causing you to run out of fuel unexpectedly.
5. How do I diagnose the P1433 code on my Cadillac?
Start by inspecting the wiring and connectors for damage or corrosion. Use a multimeter to check the voltage at the fuel level sensor and compare it to manufacturer specifications.
6. How do I fix the P1433 code on a Cadillac?
Repairs may include replacing the faulty fuel level sensor, repairing damaged wiring, or reprogramming or replacing the ECM if needed.
7. What tools are needed to troubleshoot the P1433 code?
You'll typically need a scan tool to retrieve and clear codes, a multimeter for electrical testing, and possibly a repair manual for wiring diagrams.
8. How much does it cost to fix the P1433 code on a Cadillac?
Costs vary, but replacing a fuel level sensor can range from $200 to $500, depending on labor rates and parts.
9. Can a dirty fuel tank cause the P1433 code?
While uncommon, debris in the fuel tank can sometimes interfere with the fuel level sensor's operation, potentially contributing to the issue.
10. Is the P1433 code specific to Cadillacs?
No, while this code is common in Cadillacs, it can also appear on other GM vehicles with similar fuel level sensor configurations.
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