Engine-Codes.com
Engine-Codes – Dodge – P1C99 Dodge

P1C99 Dodge Code - Gear Shift Position Sensor 1 Circuit

Quick Answer

The P1C99 diagnostic trouble code for Dodge vehicles specifically refers to the Gear Shift Position Sensor 1 Circuit. Common causes include Faulty gear shift position sensor, Damaged or corroded wiring/connectors, Electrical issues in the transmission system. 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 Dodge indicates Gear Shift Position Sensor 1 Circuit.
Common causes
Common causes include Faulty gear shift position sensor, Damaged or corroded wiring/connectors, Electrical issues in the transmission system.
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 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1C99 Dodge Description

The P1C99 diagnostic trouble code for Dodge vehicles specifically refers to the Gear Shift Position Sensor 1 Circuit. This code indicates that there is a malfunction or issue with the gear shift position sensor, which is responsible for detecting the current gear selection in the vehicle. The gear shift position sensor plays a crucial role in ensuring the proper operation of the transmission system by sending signals to the vehicle's onboard computer to accurately determine the gear position. When this sensor fails or malfunctions, it can lead to various performance issues and potential safety concerns.

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

Common Causes of P1C99 Dodge

  1. Faulty gear shift position sensor
  2. Damaged or corroded wiring/connectors
  3. Electrical issues in the transmission system
  4. Software glitches in the vehicle's onboard computer
  5. Physical damage to the gear shift mechanism

Symptoms of P1C99 Dodge

  1. Incorrect gear display on the dashboard
  2. Difficulty shifting gears
  3. Transmission slipping or jerking
  4. Illuminated check engine light
  5. Vehicle stuck in a particular gear

How to Fix P1C99 Dodge

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the fault codes and identify the malfunctioning component.
  2. Inspect the gear shift position sensor, wiring, and connectors for any signs of damage, corrosion, or loose connections. Replace or repair any faulty components.
  3. Test the sensor's functionality by manually shifting gears and checking if the sensor accurately detects the gear position.
  4. Clear the fault codes from the vehicle's computer and reset the system to see if the issue has been resolved.
  5. Take the vehicle for a test drive to ensure that the gear shifting functions properly and that the check engine light does not reappear.

Cost to Fix P1C99 Dodge

The typical repair costs for addressing a P1C99 code related to the Gear Shift Position Sensor 1 Circuit can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the parts required for this repair can range from $50 to $200, while the labor costs can add an additional $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500, but it's essential to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the vehicle's make and model. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to inquire about these details before proceeding with the repair.

Need more information about the P1C99 Dodge code?

Need more information on how to fix the P1C99 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1C99 Dodge code diagnosed by a professional: Find a repair shop in your area

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 Dodge Code

1. What does the OBDII code P1C99 mean on a Dodge vehicle?

P1C99 indicates an issue with the Gear Shift Position Sensor 1 Circuit, which monitors the position of the gear selector.

2. What are common symptoms of the P1C99 code?

Symptoms include erratic shifting, the transmission stuck in a single gear, the gear position indicator not displaying correctly, or the check engine light turning on.

3. What causes the P1C99 code to appear?

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

4. Can I drive my Dodge with the P1C99 code?

While driving may still be possible, it’s not recommended as improper gear shifting can lead to further transmission damage or unsafe driving conditions.

5. How do I diagnose the P1C99 code?

Diagnosis involves checking the gear shift position sensor for proper operation, inspecting the wiring and connectors for damage, and using a scan tool to monitor related sensor data.

6. How do I fix the P1C99 code on a Dodge?

Repairs might include replacing the gear shift position sensor, repairing or replacing damaged wiring, or reprogramming or replacing the TCM if necessary.

7. How much does it cost to fix the P1C99 code?

Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the sensor, wiring, or TCM needs attention.

8. Can a low battery cause the P1C99 code?

A low or weak battery can sometimes affect electronic components, but the P1C99 code is more commonly caused by sensor or wiring issues.

9. Will clearing the P1C99 code solve the problem?

Clearing the code may turn off the check engine light temporarily, but the issue will likely return unless the underlying problem is repaired.

10. Is the P1C99 code related to the transmission slipping?

Yes, the code can result in shifting issues, which might feel like the transmission is slipping or hesitating during gear changes.

Discuss the causes and fixes for P1C99 Dodge OBDII Code

Submit a New Comment

Code P1C99 Dodge comments

No comments found for this page.