P1CA3
Gear Shift Position Sensor 4 Circuit High
P1CA3 is an OBD-II diagnostic trouble code meaning: Gear Shift Position Sensor 4 Circuit High. Common causes: gear position sensor 4 malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable gear shifting
- Check Engine light comes on
- The car goes into emergency mode
- Reduced acceleration dynamics
- Increased fuel consumption
Causes
- Gear position sensor 4 malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the transmission control unit
- Corroded contacts or damaged wiring
How to Fix
- Check the condition of the gear position sensor 4
- Check the integrity of the sensor circuit and connectors
- Measure the resistance and voltage in the sensor circuit
- If necessary, replace the sensor or repair the wiring
- Reset the error and check the system operation
Related codes
FAQ
What does the P1CA3 code mean?
P1CA3 is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Sensor 4 Circuit High
What causes a P1CA3 error code?
The most common causes of P1CA3 include: Gear position sensor 4 malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the transmission control unit.
How do I fix a P1CA3 diagnostic trouble code?
To fix P1CA3: Check the condition of the gear position sensor 4. Check the integrity of the sensor circuit and connectors. Measure the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1CA3?
Yes, but get it checked soon
How much does it cost to fix P1CA3?
The estimated repair cost for P1CA3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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