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P1C99 Chrysler Code - Gear Shift Position Sensor 1 Circuit

Quick Answer

The P1C99 Chrysler code indicates a problem with the Gear Shift Position Sensor 1 Circuit in the vehicle. Common causes include Faulty gear shift position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning transmission control module. 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
P1C99 Chrysler indicates Gear Shift Position Sensor 1 Circuit.
Common causes
Common causes include Faulty gear shift position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning transmission control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P1C99 Chrysler Description

The P1C99 Chrysler code indicates a problem with the Gear Shift Position Sensor 1 Circuit in the vehicle. This sensor is responsible for detecting the position of the gear shift lever and sending this information to the vehicle's transmission control module. The transmission control module uses this data to determine the appropriate gear to engage based on the driver's input.

OBDII Code P1C99 Chrysler - Gear Shift Position Sensor 1 Circuit
P1C99 Chrysler Code - Gear Shift Position Sensor 1 Circuit

Common Causes of P1C99 Chrysler

  1. Faulty gear shift position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning transmission control module
  4. Corrosion or poor connections in the sensor circuit
  5. Electrical issues such as blown fuses or relays

Symptoms of P1C99 Chrysler

  1. Difficulty shifting gears
  2. Erratic shifting behavior
  3. Transmission getting stuck in a gear
  4. Inability to shift gears
  5. Illuminated Check Engine Light

How to Fix P1C99 Chrysler

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and inspecting the gear shift position sensor and its circuit.
  2. Replace the faulty gear shift position sensor if it is determined to be the cause of the problem.
  3. Check and repair any damaged wiring or connectors in the sensor circuit.
  4. Test the transmission control module for proper functioning and replace if necessary.
  5. Clear the trouble code from the vehicle's memory and test drive to ensure the issue has been resolved.

Cost to Fix P1C99 Chrysler

The typical repair costs for addressing a Gear Shift Position Sensor 1 Circuit issue can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It's advisable to obtain local quotes for a more accurate estimate.

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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 P1C99 Chrysler Code

1. What are common symptoms of OBDII code P1C99 in a Chrysler related to the Gear Shift Position Sensor 1 Circuit?

Symptoms may include difficulty shifting gears, inaccurate gear display on the dashboard, and the transmission being stuck in a single gear.

2. What could cause the OBDII code P1C99 to trigger in a Chrysler?

Potential causes include a faulty gear shift position sensor, damaged wiring or connectors in the sensor circuit, or a malfunction in the transmission control module.

3. How can I diagnose the issue causing OBDII code P1C99 in my Chrysler?

Diagnosis typically involves using a scan tool to read the code, checking the gear shift position sensor for proper operation, inspecting related wiring and connectors for damage, and testing the transmission control module.

4. Is it safe to continue driving my Chrysler with OBDII code P1C99 present?

It is not recommended to drive the vehicle with this code active, as it can lead to transmission issues, potential safety hazards, and further damage if left unaddressed.

5. Can I repair the Gear Shift Position Sensor 1 Circuit issue in my Chrysler at home?

Depending on your automotive repair skills, you may be able to replace the gear shift position sensor or repair damaged wiring at home. However, complex transmission or control module issues may require professional diagnosis and repair.

6. How much does it typically cost to fix OBDII code P1C99 related to the Gear Shift Position Sensor 1 Circuit in a Chrysler?

Costs can vary based on the specific cause of the issue, but repairs may range from $100-$500, including parts and labor.

7. Are there any preventive measures to avoid triggering OBDII code P1C99 in a Chrysler?

Regularly inspecting and maintaining the gear shift position sensor, checking for any signs of wear or damage, and addressing any transmission issues promptly can help prevent this code from appearing.

8. Can a low battery voltage cause OBDII code P1C99 to be logged in a Chrysler?

Yes, low battery voltage or electrical issues can sometimes trigger this code, so ensuring the vehicle's electrical system is in good condition is important.

9. Will resetting the OBDII code P1C99 in my Chrysler make the issue go away permanently?

Simply clearing the code without addressing the underlying problem will not resolve the issue permanently. It is crucial to diagnose and fix the root cause to prevent the code from reoccurring.

10. How long does it typically take to repair OBDII code P1C99 related to the Gear Shift Position Sensor 1 Circuit in a Chrysler?

The repair time can vary depending on the exact cause of the issue and the extent of the repair needed, but it may take anywhere from 1-4 hours at a repair shop.

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