Engine-CodesChevrolet – P189C 2014 Chevrolet Silverado

P189C 2014 Chevrolet Silverado Code - Transmission Range Command Message Performance

Quick Answer

The P189C code on a 2014 Chevrolet Silverado indicates an issue with the transmission range command message performance. Common causes include Faulty wiring or connections, Malfunctioning TCM, Software glitch. 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
P189C 2014 Chevrolet Silverado indicates Transmission Range Command Message Performance.
Common causes
Common causes include Faulty wiring or connections, Malfunctioning TCM, Software glitch.
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P189C 2014 Chevrolet Silverado Description

The P189C code on a 2014 Chevrolet Silverado indicates an issue with the transmission range command message performance. This code is related to the communication between the transmission control module (TCM) and other modules in the vehicle. The TCM sends messages to various components in the vehicle to ensure proper operation of the transmission. When the TCM detects that the transmission range command message performance is not within the expected parameters, it triggers the P189C code.

OBDII Code P189C 2014 Chevrolet Silverado - Transmission Range Command Message Performance
P189C 2014 Chevrolet Silverado Code - Transmission Range Command Message Performance

Common Causes of P189C 2014 Chevrolet Silverado

  1. Faulty wiring or connections
  2. Malfunctioning TCM
  3. Software glitch
  4. Transmission range sensor issue
  5. Electrical interference

Symptoms of P189C 2014 Chevrolet Silverado

  1. Harsh or delayed shifting
  2. Transmission getting stuck in a specific gear
  3. Limp mode activation
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P189C 2014 Chevrolet Silverado

  1. Perform a diagnostic scan to retrieve the P189C code and any related codes.
  2. Inspect the wiring and connections related to the transmission range sensor and TCM.
  3. Test the TCM for proper operation and reprogram if necessary.
  4. Check for any software updates available for the TCM.
  5. Replace the transmission range sensor if deemed faulty.

Cost to Fix P189C 2014 Chevrolet Silverado

The typical repair costs for addressing a P189C code on a 2014 Chevrolet Silverado can range from $200 to $600, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check local rates for a more accurate estimate. Most auto repair shops charge between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops.

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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 P189C 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P189C in a 2014 Chevrolet Silverado?

- Common symptoms may include harsh shifting, transmission slippage, and the transmission failing to engage properly.

2. What does the OBDII code P189C indicate in a 2014 Chevrolet Silverado?

- OBDII code P189C indicates an issue with the Transmission Range Command Message Performance in the vehicle.

3. What are some possible causes of OBDII code P189C in a 2014 Chevrolet Silverado?

- Possible causes may include faulty transmission range sensor, wiring issues, communication errors within the transmission control module, or software glitches.

4. How can I diagnose the OBDII code P189C in my 2014 Chevrolet Silverado?

- Diagnosing the code typically involves using a scan tool to retrieve the trouble codes, checking the transmission range sensor, inspecting wiring connections, and testing the transmission control module for proper function.

5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code P189C?

- It is not recommended to continue driving the vehicle with this code as it can lead to further transmission issues and potential safety hazards.

6. How can I repair OBDII code P189C in my 2014 Chevrolet Silverado?

- Repair options may include replacing the faulty transmission range sensor, repairing any damaged wiring, reprogramming the transmission control module, or addressing any communication issues.

7. Is it possible to reset the OBDII code P189C in a 2014 Chevrolet Silverado without repairing the issue?

- While clearing the code may temporarily turn off the check engine light, it is important to address the underlying cause to prevent further damage to the transmission.

8. Can a DIY enthusiast fix OBDII code P189C in a 2014 Chevrolet Silverado?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address simpler causes of the code such as checking and cleaning wiring connections.

9. How long does it typically take to repair OBDII code P189C in a 2014 Chevrolet Silverado?

- The repair time can vary depending on the exact cause of the code, but it may take a few hours to a full day to diagnose and fix the issue.

10. Are there any recalls or technical service bulletins related to OBDII code P189C in a 2014 Chevrolet Silverado?

- It is advisable to check with a Chevrolet dealership or online resources for any existing recalls or technical service bulletins related to this specific OBDII code in the 2014 Chevrolet Silverado.

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