P1583 – OBD-II DTC

OBD-II DTC P1583 – ETC Power Less Than Demand

DTC P1583 meaning

DTC P1583 refers to a diagnostic trouble code that indicates the Electronic Throttle Control (ETC) system is not providing the required power output compared to the driver’s demand. This discrepancy can lead to performance issues, as the engine may not respond appropriately to throttle input.

DTC P1583 symptoms

Common symptoms associated with DTC P1583 may include:

• Reduced engine power
• Unresponsive throttle
• Illumination of the check engine light
• Erratic engine performance
• Potential stalling or hesitation during acceleration

DTC P1583 causes

Several factors can contribute to the occurrence of DTC P1583, including:

• Faulty throttle position sensor (TPS)
• Malfunctioning accelerator pedal position sensor
• Wiring issues or poor connections in the ETC system
• Defective electronic control module (ECM)
• Vacuum leaks affecting engine performance

DTC P1583 seriousness

DTC P1583 is considered a serious issue as it can lead to significant engine performance problems. If left unaddressed, it may result in:

• Increased risk of stalling
• Reduced fuel efficiency
• Potential safety hazards while driving

How to diagnose DTC P1583

To diagnose DTC P1583, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1583 code.
2. Check for any additional trouble codes that may provide more context.
3. Inspect the throttle position sensor and accelerator pedal position sensor for proper operation.
4. Examine wiring and connectors for signs of damage or corrosion.
5. Test the electronic control module for faults.
6. Perform a visual inspection for vacuum leaks in the intake system.

How to fix DTC P1583 step-by-step instructions

To fix DTC P1583, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Test drive the vehicle to see if the code reappears.
3. If the code returns, inspect and replace the throttle position sensor if faulty.
4. Check and replace the accelerator pedal position sensor if necessary.
5. Repair any damaged wiring or connectors in the ETC system.
6. Replace the electronic control module if it is determined to be defective.
7. Fix any vacuum leaks found during the inspection.
8. Recheck the system for proper operation and ensure no codes return.

How to erase DTC P1583

To erase DTC P1583, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the scanner’s menu and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not return.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.