P189C 2016 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 2016 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P189C 2016 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 2016 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 2016 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 2016 Chevrolet Silverado code?
Need more information on how to fix the P189C 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P189C 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P189C 2016 Chevrolet Silverado Code
1. What does OBDII code P189C mean on a 2016 Chevrolet Silverado?
Code P189C indicates a Transmission Range Command Message Performance issue, meaning there’s a fault in the communication or performance of the transmission range system.
2. What are the common symptoms of code P189C in a 2016 Chevrolet Silverado?
Symptoms may include the transmission not shifting properly, the vehicle stuck in a specific gear, erratic shifting, or the check engine light being illuminated.
3. What causes the P189C code to appear in a 2016 Chevrolet Silverado?
Common causes include a faulty transmission range sensor, damaged wiring or connectors, issues with the transmission control module (TCM), or communication errors between the TCM and engine control module (ECM).
4. Can I drive my 2016 Chevrolet Silverado with code P189C?
It’s not recommended, as this code can lead to transmission performance issues, potential damage, and unsafe driving conditions.
5. How do you diagnose the P189C code?
Diagnosis typically involves using an OBDII scanner to confirm the code, inspecting the transmission range sensor and wiring, and testing the communication between the TCM and ECM.
6. What repairs can fix the P189C code in a 2016 Chevrolet Silverado?
Repairs may include replacing the transmission range sensor, repairing or replacing damaged wiring or connectors, updating or reprogramming the TCM, or replacing the TCM if it’s faulty.
7. How much does it cost to fix code P189C on a 2016 Chevrolet Silverado?
Repair costs vary, but replacing a transmission range sensor typically costs between $150 and $400, while TCM replacement or reprogramming can cost $500 or more.
8. Can a bad battery cause the P189C code on a 2016 Chevrolet Silverado?
Yes, a weak or failing battery can cause communication issues between the ECM and TCM, potentially triggering the code.
9. Is the P189C code related to the shift solenoids on a 2016 Chevrolet Silverado?
While not directly related, shift solenoid issues can contribute to transmission performance problems, so they should be inspected if other causes are ruled out.
10. Will clearing the P189C code with a scanner fix the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P189C 2016 Chevrolet Silverado OBDII Code
Code P189C 2016 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
