OBD Guide

P1CA5

Gear Shift Position Sensor 4 Circuit

P1CA5 is an OBD-II diagnostic trouble code meaning: Gear Shift Position Sensor 4 Circuit. Common causes: open or short circuit in the sensor circuit, gear position sensor 4 malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Transmission of the gearbox into emergency mode
  • Check Engine Light Illuminates
  • Loss of power or jerking when shifting
  • Problems with movement in certain gears

Causes

  • Open or short circuit in the sensor circuit
  • Gear position sensor 4 malfunction
  • Connector problems or contact corrosion
  • Low or contaminated transmission fluid
  • Transmission control unit malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Inspect the sensor circuit for damage
  3. Check sensor connectors and contacts
  4. Test gear position sensor 4
  5. If necessary, replace the sensor or repair the wiring

Related codes

FAQ

What does the P1CA5 code mean?

P1CA5 is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Sensor 4 Circuit

What causes a P1CA5 error code?

The most common causes of P1CA5 include: Open or short circuit in the sensor circuit; Gear position sensor 4 malfunction; Connector problems or contact corrosion; Low or contaminated transmission fluid.

How do I fix a P1CA5 diagnostic trouble code?

To fix P1CA5: Check the level and condition of the transmission fluid. Inspect the sensor circuit for damage. Check sensor connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1CA5?

Limited driving only, diagnose soon

How much does it cost to fix P1CA5?

The estimated repair cost for P1CA5 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat