AutoCodes – Jeep – P1C9C Jeep

P1C9C Jeep Code - Gear Shift Position Sensor 2 Circuit Low

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 2, Gear Shift Position Sensor 2 harness is open or shorted, Gear Shift Position Sensor 2 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: P1C9C Jeep indicates Gear Shift Position Sensor 2 Circuit Low.
Common causes: Common causes include Faulty Gear Shift Position Sensor 2, Gear Shift Position Sensor 2 harness is open or shorted, Gear Shift Position Sensor 2 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 846

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1C9C Jeep 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 2nd - 4th 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 P1C9C Jeep - Gear Shift Position Sensor 2 Circuit Low - AutoCodes.com — P1C9C Jeep Code - Gear Shift Position Sensor 2 Circuit Low

What does this mean?

What are the Possible Causes of the DTC P1C9C Jeep?

Faulty Gear Shift Position Sensor 2
Gear Shift Position Sensor 2 harness is open or shorted
Gear Shift Position Sensor 2 circuit poor electrical connection
Faulty Transmission Control Module (TCM)

How to Fix the DTC P1C9C Jeep?

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 P1C9C Jeep 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.

Need more information about the P1C9C Jeep code?

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Need Help with the Code?

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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 P1C9C Jeep Code

1. What are the common symptoms of OBDII code P1C9C in a Jeep related to the Gear Shift Position Sensor 2 Circuit Low?

- Common symptoms include issues with shifting gears, difficulty starting the vehicle, and the transmission being stuck in a single gear.

2. What are the possible causes of the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) in a Jeep?

- Possible causes may include a faulty gear shift position sensor, damaged wiring or connectors in the sensor circuit, or a problem with the transmission control module.

3. How can I diagnose the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) in my Jeep?

- Diagnosing the issue involves using an OBDII scanner to read the code, inspecting the gear shift position sensor and its connections, and testing the sensor's voltage and resistance.

4. Can driving with the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) cause further damage to my Jeep?

- Continuing to drive with this code can potentially lead to more severe transmission issues, so it is recommended to address the problem promptly.

5. Is it safe to continue driving my Jeep with the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) if it seems to be running fine?

- It is not recommended to drive the vehicle with this code present, as it can impact the transmission's performance and lead to potential safety hazards.

6. How can I reset the OBDII code P1C9C related to the Gear Shift Position Sensor 2 Circuit Low in my Jeep?

- After repairing the underlying issue causing the code, you can reset it using an OBDII scanner or by disconnecting the battery for a few minutes.

7. Are there any DIY repair tips for fixing the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) in my Jeep?

- DIY repair tips include checking for loose or damaged wiring, ensuring proper sensor alignment, and consulting the vehicle's repair manual for specific instructions.

8. Will replacing the gear shift position sensor fix the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) in my Jeep?

- Replacing the sensor is a common solution for this code, but it's essential to diagnose the issue accurately to ensure the correct repair.

9. How much does it typically cost to repair the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) in a Jeep?

- The cost of repairs can vary depending on the extent of the issue, but replacing the gear shift position sensor may range from $100 to $300, including parts and labor.

10. Can a mechanic easily fix the Gear Shift Position Sensor 2 Circuit Low code (P1C9C) in my Jeep?

- A qualified mechanic with experience in diagnosing and repairing transmission-related issues should be able to efficiently address the problem and clear the OBDII code.