P189C 2017 Chevrolet Silverado Code - Transmission Range Command Message Performance
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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
- P189C 2017 Chevrolet Silverado indicates Transmission Range Command Message Performance.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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.
Code P189C 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P189C 2017 Chevrolet Silverado?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P189C 2017 Chevrolet Silverado?
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 P189C 2017 Chevrolet Silverado 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 P189C 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P189C 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P189C in a 2017 Chevrolet Silverado?
The common symptoms of code P189C include transmission shifting issues, hesitation or jerking during gear changes, and the illumination of the Check Engine light.
2. What does the OBDII code P189C indicate in a 2017 Chevrolet Silverado?
Code P189C indicates a transmission range command message performance issue in the 2017 Chevrolet Silverado, specifically related to the communication between the transmission control module and the engine control module.
3. What are the possible causes of OBDII code P189C in a 2017 Chevrolet Silverado?
Possible causes of code P189C include faulty wiring or connectors in the transmission range sensor circuit, a malfunctioning transmission range sensor, issues with the transmission control module, or communication errors between various control modules.
4. How can I diagnose OBDII code P189C in my 2017 Chevrolet Silverado?
Diagnosing code P189C involves using a diagnostic scanner to retrieve the code and then performing a thorough inspection of the transmission range sensor circuit, connectors, and related components to identify any faults or issues.
5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P189C?
It is not recommended to continue driving with code P189C present, as it can lead to further transmission problems and potentially cause damage. It is advised to address the issue promptly to prevent any potential safety hazards.
6. How can I repair OBDII code P189C in my 2017 Chevrolet Silverado?
Repairing code P189C may involve repairing or replacing damaged wiring or connectors in the transmission range sensor circuit, replacing the transmission range sensor if faulty, or addressing any communication issues between control modules.
7. Is it necessary to reset the OBDII code P189C after repairs in a 2017 Chevrolet Silverado?
After making repairs to address code P189C, it is recommended to clear the code using a diagnostic scanner to reset the Check Engine light and ensure the issue has been successfully resolved.
8. Can weather conditions affect the occurrence of OBDII code P189C in a 2017 Chevrolet Silverado?
Extreme weather conditions or exposure to moisture can sometimes cause electrical issues that may trigger code P189C. It is important to keep the vehicle's electrical components well-maintained to prevent such problems.
9. How long does it typically take to repair OBDII code P189C in a 2017 Chevrolet Silverado?
The repair time for code P189C can vary depending on the specific cause of the issue and the complexity of the repair. In some cases, it may be a relatively quick fix, while in others, it may require more extensive troubleshooting.
10. Should I seek professional help to repair OBDII code P189C in my 2017 Chevrolet Silverado?
If you are not familiar with diagnosing and repairing transmission-related issues, it is recommended to seek the assistance of a qualified mechanic or dealership to properly address and resolve code P189C in your 2017 Chevrolet Silverado.
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