P16F4
Control Module Transmission Range Switch Input Circuitry Performance
P16F4 is an OBD-II diagnostic trouble code meaning: Control Module Transmission Range Switch Input Circuitry Performance. Common causes: gear range sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect display of gear selector position on the dashboard
- Problems with starting the engine (the car may not start in some selector positions)
- Incorrect gear shifting
- Check Engine Light Illuminates
- Activating emergency gearbox operation
Causes
- Gear range sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Wiring harness damage
- Transmission control module (TCM) malfunction
How to Fix
- Check the condition of the gear range sensor
- Check the integrity of wiring and connectors
- Check the voltage and resistance in the sensor circuit
- If necessary, replace the gear range sensor
- Check and, if necessary, replace the transmission control unit
Related codes
FAQ
What does the P16F4 code mean?
P16F4 is an OBD-II diagnostic trouble code that indicates: Control Module Transmission Range Switch Input Circuitry Performance
What causes a P16F4 error code?
The most common causes of P16F4 include: Gear range sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Wiring harness damage.
How do I fix a P16F4 diagnostic trouble code?
To fix P16F4: Check the condition of the gear range sensor. Check the integrity of wiring and connectors. Check the voltage and resistance in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P16F4?
Limited driving only, diagnose soon
How much does it cost to fix P16F4?
The estimated repair cost for P16F4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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