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P1456: Fuel Tank Temperature Sensor Circuit Malfunction

Severity
Low
NHTSA Reports
1
Vehicles Affected
1
System
Powertrain

What Does P1456 Mean?

P1456 is a diagnostic trouble code indicating: Fuel Tank Temperature Sensor Circuit Malfunction. This code relates to the manufacturer-specific powertrain system. It has been reported in NHTSA complaints across 1 different vehicle models.

Symptoms of P1456

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"While driving on the expressway the check engine light came on and the car started to shake violently. The car doesn't accelerate right away. After inspection, the auto shop provided the following comments: Engine is burning coolant, upon arrival vehicle low 1 gallon of coolant no coolant leaks pres"

— Ford Escape owner, 07/05/2024

Source: NHTSA Complaints Database

Most Reported Vehicles for P1456

Based on NHTSA owner complaint data.

# Vehicle Reports
1 FORD ESCAPE

Frequently Asked Questions

Can I drive with this code?
It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.
Will this code clear itself?
Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.
How do I find the exact cause?
A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

  • 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
  • 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P1400 Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1 P1401 DPFE Circuit High Input P1402 Heated Catalyst Power Switch Overtemperature Condition Bank 1 P1403 Differential Pressure Feedback Electronic Sensor Hoses Reversed P1404 IAT - B Circuit Malfunction/ Exhaust Gas Recirculation Closed Position Performance P1405 Differential Pressure Feedback Electronic Sensor Circuit Upstream Hose P1406 Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose P1407 EGR Air Intrusion In Exhaust Supply To EGR Valve P1408 EGR System Flow Out Of Key On Engine Running Self Test Range P1409 Tank Ventilation Valve Electrical Malfunction