P16A0
Throttle Position Sensor Communication Circuit Low Voltage
P16A0 is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor Communication Circuit Low Voltage. Common causes: open or short circuit in the sensor circuit, throttle position sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation at idle
- Reduced engine power
- Check Engine light comes on
- Dips during acceleration
- The engine may go into emergency mode
Causes
- Open or short circuit in the sensor circuit
- Throttle Position Sensor Malfunction
- Connector problems or contact corrosion
- Engine ECU malfunction
- Problems with power supply to the sensor circuit
How to Fix
- Check the continuity of the throttle position sensor circuit
- Inspect connectors and contacts for damage or corrosion
- Check the voltage at the sensor and compare with the standards
- Replace the throttle position sensor if necessary
- Check and, if necessary, replace the engine ECU
Related codes
FAQ
What does the P16A0 code mean?
P16A0 is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor Communication Circuit Low Voltage
What causes a P16A0 error code?
The most common causes of P16A0 include: Open or short circuit in the sensor circuit; Throttle Position Sensor Malfunction; Connector problems or contact corrosion; Engine ECU malfunction.
How do I fix a P16A0 diagnostic trouble code?
To fix P16A0: Check the continuity of the throttle position sensor circuit. Inspect connectors and contacts for damage or corrosion. Check the voltage at the sensor and compare with the standards. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P16A0?
Limited driving only, diagnose soon
How much does it cost to fix P16A0?
The estimated repair cost for P16A0 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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