Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that a part of the car that controls the gas pedal and fuel is not working right. It's like when a video game controller button is stuck and doesn't respond correctly.
The P2555 code indicates that the voltage in the throttle/fuel inhibit circuit is higher than expected.
The P2555 code is triggered when the Engine Control Module (ECM) detects a high voltage condition in the throttle/fuel inhibit circuit. This circuit is responsible for controlling the throttle and fuel delivery to the engine, ensuring proper engine performance and response.
• Check Engine Light is on
• Poor engine performance
• Unresponsive throttle
• Faulty throttle position sensor
• Wiring issues such as short circuits or open circuits
• Defective ECM
Throttle: A device controlling the flow of fuel or power to an engine.
ECM: Engine Control Module, the computer that controls engine functions.
• Use an OBD-II scanner to confirm the code.
• Inspect the throttle position sensor and related wiring for damage.
• Test the ECM for proper functionality.
• Replace the throttle position sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$100 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain the throttle system.
• Ensure all wiring connections are secure.
• Perform routine ECM updates.
Sensor Issue
• Avoid driving aggressively until the issue is resolved.
• Get the car checked by a professional mechanic as soon as possible.
Check with your vehicle manufacturer for warranty coverage related to the ECM and throttle system.
The P2555 code has been associated with throttle position sensor issues in various vehicle models over the years.
Moderate – This issue should be addressed soon to prevent further engine performance problems.
Driving with a malfunctioning throttle system can lead to safety hazards. Address this issue promptly.
• Engine running
• Vehicle in park or neutral
The throttle position sensor is typically located on the throttle body, near the intake manifold.
Q: Can I drive my car with a P2555 code?
A: It's not recommended to drive for long distances with this code active, as it can affect engine performance.
Q: How can I reset the P2555 code?
A: You can reset the code using an OBD-II scanner, but it's important to fix the underlying issue first.
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