OBD Guide

P1C9C

Gear Shift Position Sensor 2 Circuit Low

P1C9C is an OBD-II diagnostic trouble code meaning: Gear Shift Position Sensor 2 Circuit Low. Common causes: shift position sensor 2 malfunction, open or short circuit in the sensor circuit. 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
  • Reduced vehicle dynamics

Causes

  • Shift position sensor 2 malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the transmission control unit

How to Fix

  1. Check the condition of the gear shift position sensor 2
  2. Check the integrity of the sensor circuit and the quality of the contacts
  3. Clean sensor connector contacts
  4. Replace sensor if necessary
  5. Check the operation of the gearbox control unit

Related codes

FAQ

What does the P1C9C code mean?

P1C9C is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Sensor 2 Circuit Low

What causes a P1C9C error code?

The most common causes of P1C9C include: Shift position sensor 2 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 P1C9C diagnostic trouble code?

To fix P1C9C: Check the condition of the gear shift position sensor 2. Check the integrity of the sensor circuit and the quality of the contacts. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1C9C?

Limited driving only, diagnose soon

How much does it cost to fix P1C9C?

The estimated repair cost for P1C9C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat