AutoCodesChrysler – P1C9F Chrysler

P1C9F Chrysler Code - Gear Shift Position Sensor 3 Circuit High

Quick Answer

This diagnostic compares the output signal of the sensor to threshold values of normal operations. Common causes include Faulty Gear Shift Position Sensor 3, Gear Shift Position Sensor 3 harness is open or shorted, Gear Shift Position Sensor 3 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1C9F Chrysler indicates Gear Shift Position Sensor 3 Circuit High.
Common causes
Common causes include Faulty Gear Shift Position Sensor 3, Gear Shift Position Sensor 3 harness is open or shorted, Gear Shift Position Sensor 3 circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 858
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 12, 2020
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Code P1C9F Chrysler Description

This diagnostic compares the output signal of the sensor to threshold values of normal operations. When the signal is out of range the diagnostic will be considered failing. The sensor is mounted next to the 5th - RV gear engagement actuator to detect a linear movement of the piston. For this purpose a permanent magnet is mounted on the piston which is moved over a complete travel stroke. The magnet position generates a saturation area in the internal ferromagnetic core of the sensor which is transformed to an output position signal. The sensor provides an output signal with Pulse Width Modulation (PWM) at a fixed frequency and duty cycle proportional to the piston position of the actuator.
OBDII Code P1C9F Chrysler - Gear Shift Position Sensor 3 Circuit High - AutoCodes.com
P1C9F Chrysler Code - Gear Shift Position Sensor 3 Circuit High

What are the Possible Causes of the DTC P1C9F Chrysler?

  • Faulty Gear Shift Position Sensor 3
  • Gear Shift Position Sensor 3 harness is open or shorted
  • Gear Shift Position Sensor 3 circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P1C9F Chrysler?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1C9F Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1C9F Chrysler Code

What does the OBDII code P1C9F mean for a Chrysler vehicle?

The P1C9F code indicates a "Gear Shift Position Sensor 3 Circuit High," meaning the sensor is detecting a voltage level higher than expected.

What are the common symptoms of the P1C9F code?

Common symptoms include erratic shifting, the transmission stuck in one gear, or the check engine light being illuminated.

What causes the P1C9F code to appear?

Possible causes include a faulty gear shift position sensor, damaged wiring or connectors, or a malfunctioning transmission control module (TCM).

Can driving with the P1C9F code cause further damage?

Yes, driving with this code can lead to transmission issues or unsafe driving conditions if the gear position is not accurately detected.

How is the P1C9F code diagnosed?

A mechanic will use a scan tool to confirm the code, inspect the gear shift position sensor, and check the wiring and connectors for damage or corrosion.

Is the gear shift position sensor the only part that might need replacement for this code?

Not always; the issue could also be related to wiring, connectors, or the transmission control module.

What tools are needed to fix the P1C9F code?

Tools may include a diagnostic scan tool, a multimeter for checking voltage, and basic hand tools to inspect or replace the sensor or wiring.

How much does it cost to repair the P1C9F code?

Costs vary; replacing the gear shift position sensor typically ranges from $150 to $300, including parts and labor.

Can the P1C9F code be cleared without fixing the issue?

The code can be cleared temporarily, but it will likely return if the underlying problem isn’t resolved.

How can I prevent the P1C9F code from occurring again?

Regularly inspect and maintain the transmission system, including cleaning and checking wiring connections for damage or wear.

Discuss the causes and fixes for P1C9F Chrysler OBDII Code

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