P1579
P/N to D/R at High Throttle Angle - Power Reduction Mode Active
P1579 is an OBD-II diagnostic trouble code meaning: P/N to D/R at High Throttle Angle - Power Reduction Mode Active. Common causes: throttle position sensor malfunction, problems with wiring to the throttle position sensor. Estimated repair cost: $17–56.
Symptoms
- Reduced engine power
- Slow acceleration
- Automatic engine speed limitation
- Possible jerking when changing gears
- Check Engine light comes on
Causes
- Throttle Position Sensor Malfunction
- Problems with wiring to the throttle position sensor
- Engine ECU malfunction
- Mechanical transmission problems
- Software error in the ECU
How to Fix
- Check and, if necessary, replace the throttle position sensor
- Check the integrity of the wiring to the sensor
- Scan the ECU for other errors
- Check transmission condition
- Update ECU software (if available)
Related codes
Error P1579 by Vehicle Brand
FAQ
What does the P1579 code mean?
P1579 is an OBD-II diagnostic trouble code that indicates: P/N to D/R at High Throttle Angle - Power Reduction Mode Active
What causes a P1579 error code?
The most common causes of P1579 include: Throttle Position Sensor Malfunction; Problems with wiring to the throttle position sensor; Engine ECU malfunction; Mechanical transmission problems.
How do I fix a P1579 diagnostic trouble code?
To fix P1579: Check and, if necessary, replace the throttle position sensor. Check the integrity of the wiring to the sensor. Scan the ECU for other errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1579?
Limited driving only, diagnose soon
How much does it cost to fix P1579?
The estimated repair cost for P1579 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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