P16E4
Sensor Communication Circuit 3 Low Voltage
P16E4 is an OBD-II diagnostic trouble code meaning: Sensor Communication Circuit 3 Low Voltage. Common causes: open or short circuit in the sensor circuit, malfunction of the sensor itself. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Unstable engine operation
- Reduced engine power
- Problems starting the engine
- Incorrect readings from related systems
Causes
- Open or short circuit in the sensor circuit
- Malfunction of the sensor itself
- Poor connection or corroded contacts
- Problems with the engine control unit (ECU)
- Faulty relay or fuse
How to Fix
- Check the integrity of the sensor circuit
- Inspect connections and contacts for corrosion
- Check the voltage at the sensor
- Replace sensor if necessary
- Check and replace fuses or relays if necessary
Related codes
FAQ
What does the P16E4 code mean?
P16E4 is an OBD-II diagnostic trouble code that indicates: Sensor Communication Circuit 3 Low Voltage
What causes a P16E4 error code?
The most common causes of P16E4 include: Open or short circuit in the sensor circuit; Malfunction of the sensor itself; Poor connection or corroded contacts; Problems with the engine control unit (ECU).
How do I fix a P16E4 diagnostic trouble code?
To fix P16E4: Check the integrity of the sensor circuit. Inspect connections and contacts for corrosion. Check the voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P16E4?
Yes, but get it checked soon
How much does it cost to fix P16E4?
The estimated repair cost for P16E4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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