P2621
Throttle Position Output Circuit Low
P2621 is an OBD-II diagnostic trouble code meaning: Throttle Position Output Circuit Low. Common causes: throttle position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Reduced engine power
- Unstable operation at idle
- Increased fuel consumption
- Check Engine Light Illuminates
- The car goes into emergency mode
Causes
- Throttle Position Sensor Malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Circuit Grounding Problems
- Malfunction of the engine control unit (rare)
How to Fix
- Check the condition of the throttle position sensor
- Inspect the wiring harness and connectors for damage.
- Check continuity with a multimeter
- Clean sensor connector contacts
- If necessary, replace the throttle position sensor
Related codes
Error P2621 by Vehicle Brand
FAQ
What does the P2621 code mean?
P2621 is an OBD-II diagnostic trouble code that indicates: Throttle Position Output Circuit Low
What causes a P2621 error code?
The most common causes of P2621 include: Throttle Position Sensor Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Circuit Grounding Problems.
How do I fix a P2621 diagnostic trouble code?
To fix P2621: Check the condition of the throttle position sensor. Inspect the wiring harness and connectors for damage.. Check continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2621?
Limited driving only, diagnose soon
How much does it cost to fix P2621?
The estimated repair cost for P2621 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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