P1CA4
Gear Shift Position Sensor 4 Circuit Low
P1CA4 is an OBD-II diagnostic trouble code meaning: Gear Shift Position Sensor 4 Circuit Low. Common causes: gear position sensor 4 malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Hard shifts
- Switching delays
- Transmission of the gearbox into emergency mode
- Check Engine Light Illuminates
Causes
- Gear position sensor 4 malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Transmission control module (TCM) problems
- Corroded or damaged wiring
How to Fix
- Check the continuity of the gear position sensor circuit 4
- Inspect connectors and connections for damage or corrosion
- Check sensor resistance and voltage according to manufacturer specifications
- If necessary, replace gear position sensor 4
- Check and, if necessary, reflash the transmission control unit
Related codes
FAQ
What does the P1CA4 code mean?
P1CA4 is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Sensor 4 Circuit Low
What causes a P1CA4 error code?
The most common causes of P1CA4 include: Gear position sensor 4 malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Transmission control module (TCM) problems.
How do I fix a P1CA4 diagnostic trouble code?
To fix P1CA4: Check the continuity of the gear position sensor circuit 4. Inspect connectors and connections for damage or corrosion. Check sensor resistance and voltage according to manufacturer specifications. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1CA4?
Limited driving only, diagnose soon
How much does it cost to fix P1CA4?
The estimated repair cost for P1CA4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat