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P1457 Chrysler Code - Fuel Tank Pressure Sensor Circuit High

Quick Answer

The P1457 Chrysler code indicates a problem with the fuel tank pressure sensor circuit being too high. Common causes include Faulty fuel tank pressure sensor, Damaged wiring or connectors in the sensor circuit, PCM (powertrain control module) malfunction. 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
P1457 Chrysler indicates Fuel Tank Pressure Sensor Circuit High.
Common causes
Common causes include Faulty fuel tank pressure sensor, Damaged wiring or connectors in the sensor circuit, PCM (powertrain control module) malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1457 Chrysler Description

The P1457 Chrysler code indicates a problem with the fuel tank pressure sensor circuit being too high. The fuel tank pressure sensor is a crucial component of the vehicle's evaporative emissions control system. This system is responsible for monitoring and controlling the fuel vapors that are emitted from the fuel tank, preventing them from escaping into the atmosphere.

OBDII Code P1457 Chrysler - Fuel Tank Pressure Sensor Circuit High
P1457 Chrysler Code - Fuel Tank Pressure Sensor Circuit High

Common Causes of P1457 Chrysler

  1. Faulty fuel tank pressure sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. PCM (powertrain control module) malfunction
  4. Evaporative emissions system leak
  5. Clogged fuel tank vent valve

Symptoms of P1457 Chrysler

  1. Check engine light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Rough idling
  4. Stalling
  5. Difficulty starting the engine

How to Fix P1457 Chrysler

  1. Diagnose the issue by using a scan tool to check for the P1457 code and inspecting the fuel tank pressure sensor and its circuit.
  2. Test the fuel tank pressure sensor to determine if it is functioning properly.
  3. Check the wiring and connectors in the sensor circuit for any damage or corrosion, and repair or replace as needed.
  4. Inspect the PCM for any malfunctions and reprogram or replace if necessary.
  5. Clear the code from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1457 Chrysler

The typical repair costs for resolving a P1457 Chrysler code can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty fuel tank pressure sensor can range from $100 to $300, while repairing damaged wiring or connectors may cost between $50 and $150. If the PCM needs to be replaced, the cost can be significantly higher, ranging from $500 to $1000 or more. Additionally, labor costs for these repairs can range from $100 to $300 per hour, depending on the location and type of repair shop. It is recommended to obtain quotes from local auto repair shops for a more accurate estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1457 Chrysler Code

1. What are common symptoms of OBDII code P1457 in a Chrysler vehicle?

The common symptoms of OBDII code P1457 in a Chrysler vehicle include the check engine light being illuminated, decreased fuel efficiency, and potential issues with the vehicle's emissions system.

2. What is the possible cause of OBDII code P1457 in a Chrysler vehicle?

The most common cause of OBDII code P1457 in a Chrysler vehicle is a malfunctioning fuel tank pressure sensor, which detects pressure changes in the fuel tank and sends signals to the vehicle's engine control module (ECM).

3. How can I diagnose OBDII code P1457 in my Chrysler vehicle?

To diagnose OBDII code P1457 in a Chrysler vehicle, a mechanic will typically use a diagnostic scanner to read the code and investigate the fuel tank pressure sensor, associated wiring, and connections for any faults or damages.

4. Can OBDII code P1457 in a Chrysler vehicle be fixed easily?

Fixing OBDII code P1457 in a Chrysler vehicle often involves replacing the faulty fuel tank pressure sensor or repairing any damaged wiring or connections. This repair can usually be done relatively easily by a qualified mechanic.

5. Are there any DIY repair tips for addressing OBDII code P1457 in a Chrysler vehicle?

While addressing OBDII code P1457 in a Chrysler vehicle may require specialized tools and knowledge, checking the sensor's electrical connections, inspecting for visible damages, and clearing the code with a diagnostic scanner are some DIY steps that can be attempted.

6. What happens if OBDII code P1457 in a Chrysler vehicle is left untreated?

If OBDII code P1457 in a Chrysler vehicle is left untreated, it can lead to increased emissions, decreased fuel efficiency, and potential damage to other components of the vehicle's emissions system over time.

7. Can a faulty gas cap trigger OBDII code P1457 in a Chrysler vehicle?

Yes, a faulty or loose gas cap can sometimes trigger OBDII code P1457 in a Chrysler vehicle. It is recommended to ensure the gas cap is properly tightened and functioning before pursuing further diagnostic steps.

8. Is it safe to continue driving with OBDII code P1457 illuminated in a Chrysler vehicle?

While it may be safe to continue driving with OBDII code P1457 illuminated in a Chrysler vehicle for a short period, it is recommended to address the issue promptly to prevent any potential long-term damage to the vehicle's emissions system.

9. How long does it typically take to repair OBDII code P1457 in a Chrysler vehicle?

The repair time for OBDII code P1457 in a Chrysler vehicle can vary depending on the extent of the issue and availability of parts. In general, a straightforward repair involving the fuel tank pressure sensor can be completed within a few hours.

10. Can resetting the vehicle's ECM clear OBDII code P1457 in a Chrysler vehicle?

Resetting the vehicle's ECM may temporarily clear OBDII code P1457 in a Chrysler vehicle, but if the underlying issue with the fuel tank pressure sensor persists, the code is likely to reappear. It is recommended to diagnose and address the root cause of the code for a lasting solution.

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