OBD Guide

P1CA1

Gear Shift Position Sensor 3 Circuit

P1CA1 is an OBD-II diagnostic trouble code meaning: Gear Shift Position Sensor 3 Circuit. Common causes: open or short circuit in the sensor circuit, gear position sensor 3 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 transition to emergency mode
  • Check Engine Light Illuminates
  • Loss of engine power
  • Problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Gear Position Sensor 3 Malfunction
  • Oxidation or damage to connectors
  • Problems with the transmission control unit
  • Mechanical damage to wiring

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors for damage
  3. Check sensor resistance
  4. Replace gear position sensor 3 if necessary
  5. Clean or replace damaged connectors

Related codes

FAQ

What does the P1CA1 code mean?

P1CA1 is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Sensor 3 Circuit

What causes a P1CA1 error code?

The most common causes of P1CA1 include: Open or short circuit in the sensor circuit; Gear Position Sensor 3 Malfunction; Oxidation or damage to connectors; Problems with the transmission control unit.

How do I fix a P1CA1 diagnostic trouble code?

To fix P1CA1: Check the integrity of the sensor circuit. Inspect connectors for damage. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1CA1?

Limited driving only, diagnose soon

How much does it cost to fix P1CA1?

The estimated repair cost for P1CA1 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat