AutoCodesDodge – P1C9C Dodge

P1C9C Dodge 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 Dodge 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 1,223
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 P1C9C Dodge 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 Dodge - Gear Shift Position Sensor 2 Circuit Low - AutoCodes.com
P1C9C Dodge Code - Gear Shift Position Sensor 2 Circuit Low

What are the Possible Causes of the DTC P1C9C Dodge?

  • 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 Dodge?

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 Dodge 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 P1C9C Dodge Code

1. What does the OBDII code P1C9C on a Dodge vehicle mean?

The P1C9C code indicates a "Gear Shift Position Sensor 2 Circuit Low," meaning the transmission's gear shift position sensor is detecting a low voltage or electrical issue.

2. What are the common symptoms of the P1C9C code?

Symptoms may include difficulty shifting gears, the transmission being stuck in one gear, the check engine light turning on, or erratic gear position readings.

3. What causes the P1C9C code to appear?

Common causes include a faulty gear shift position sensor, damaged wiring or connectors in the sensor circuit, a short or open circuit, or issues with the powertrain control module (PCM).

4. Can I drive my Dodge with the P1C9C code?

It is not recommended, as the code may cause shifting problems, potentially leading to unsafe driving conditions or further transmission damage.

5. How do I diagnose the P1C9C code?

Diagnose the code by inspecting the gear shift position sensor, checking the wiring and connectors for damage, and using a multimeter to test the circuit for proper voltage.

6. How do I fix the P1C9C code on my Dodge?

Repairs may involve replacing the gear shift position sensor, repairing or replacing damaged wiring, ensuring proper connections, or reprogramming the PCM if necessary.

7. How much does it cost to fix the P1C9C code?

The repair cost varies depending on the issue but typically ranges from $150 to $400, including parts and labor.

8. Can a bad battery cause the P1C9C code?

A weak or failing battery can sometimes cause electrical issues that trigger this code, so it’s worth checking the battery’s health.

9. Will clearing the code with a scanner fix the problem?

Clearing the code may temporarily remove the check engine light, but the underlying issue must be addressed to prevent the code from returning.

10. Is the P1C9C code related to other transmission issues?

Yes, it can be related to other transmission problems, as improper gear position sensor readings may affect overall transmission performance.

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