P1201 2014 Chevrolet Silverado Code - Transmission Range Redundant Command Message Counter Incorrect
Quick Answer
The P1201 diagnostic trouble code for a 2014 Chevrolet Silverado indicates that the Transmission Range Redundant Command Message Counter is incorrect. Common causes include Faulty transmission range sensor, Wiring issues or loose connections between TCM and ECM, Defective TCM or ECM. 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
- P1201 2014 Chevrolet Silverado indicates Transmission Range Redundant Command Message Counter Incorrect.
- Common causes
- Common causes include Faulty transmission range sensor, Wiring issues or loose connections between TCM and ECM, Defective TCM or ECM.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1201 2014 Chevrolet Silverado Description
The P1201 diagnostic trouble code for a 2014 Chevrolet Silverado indicates that the Transmission Range Redundant Command Message Counter is incorrect. This code typically points to a communication issue between the transmission control module (TCM) and the engine control module (ECM). The TCM and ECM exchange information to ensure that the transmission is in the correct gear and that the engine is operating efficiently. When the message counter is incorrect, it means that the TCM and ECM are not properly communicating, which can lead to various issues with the vehicle's performance.
Common Causes of P1201 2014 Chevrolet Silverado
- Faulty transmission range sensor
- Wiring issues or loose connections between TCM and ECM
- Defective TCM or ECM
- Software glitch in the control modules
- Corrosion or damage to the communication lines
Symptoms of P1201 2014 Chevrolet Silverado
- Harsh or delayed shifting
- Poor fuel economy
- Stalling or hesitation
- Inability to start
How to Fix P1201 2014 Chevrolet Silverado
- Begin by conducting a thorough inspection of the transmission range sensor and its wiring. Replace the sensor if necessary and ensure all connections are secure.
- Check the wiring harness between the TCM and ECM for any signs of damage or corrosion. Repair or replace any damaged wires.
- Perform a diagnostic scan to identify any software issues in the control modules. Update the software or reflash the modules as needed.
- Test the communication lines between the TCM and ECM to ensure proper connectivity. Repair or replace any faulty lines.
Cost to Fix P1201 2014 Chevrolet Silverado
The typical repair costs for addressing a P1201 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, parts such as a transmission range sensor or control modules can range from $100 to $500, while labor costs can add another $100 to $300 to the total bill. Overall, the total repair cost for this issue could range from $200 to $800, but it's essential to consult with a qualified mechanic or dealership to get an accurate estimate based on your vehicle's specific needs and location. Keep in mind that labor rates can vary between different auto repair shops, so it's advisable to shop around for the best deal.
Need more information about the P1201 2014 Chevrolet Silverado code?
Need more information on how to fix the P1201 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1201 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1201 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P1201 in a 2014 Chevrolet Silverado?
- Common symptoms include transmission shifting issues, engine stalling, and the Check Engine Light illuminating on the dashboard.
2. What does the OBDII code P1201 Transmission Range Redundant Command Message Counter Incorrect mean for a 2014 Chevrolet Silverado?
- This code indicates that there is an issue with the transmission range sensor or its related components on the Chevrolet Silverado.
3. What are the possible causes of OBDII code P1201 in a 2014 Chevrolet Silverado?
- Possible causes include a faulty transmission range sensor, damaged wiring or connectors, a software issue, or a malfunctioning transmission control module.
4. How can I diagnose the cause of OBDII code P1201 in my 2014 Chevrolet Silverado?
- Diagnosis typically involves checking the transmission range sensor, inspecting the wiring and connectors for damage, and using a scan tool to retrieve additional fault codes and data.
5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code P1201?
- It is not recommended to continue driving with this code present, as it can lead to further transmission issues and potential safety hazards. Seek professional diagnosis and repair as soon as possible.
6. How can I repair OBDII code P1201 in my 2014 Chevrolet Silverado?
- Repair may involve replacing the transmission range sensor, repairing damaged wiring or connectors, updating software, or replacing the transmission control module, depending on the root cause of the issue.
7. Is it safe to reset the Check Engine Light after fixing OBDII code P1201 in my 2014 Chevrolet Silverado?
- Yes, once the issue causing the code has been repaired, it is safe to reset the Check Engine Light using a scan tool to clear the code from the vehicle's memory.
8. How much does it typically cost to repair OBDII code P1201 in a 2014 Chevrolet Silverado?
- The cost of repair can vary depending on the exact cause of the issue and labor rates in your area. It is recommended to obtain quotes from reputable mechanics or dealerships.
9. Can OBDII code P1201 in a 2014 Chevrolet Silverado cause permanent damage if left unaddressed?
- Ignoring this code can potentially lead to further damage to the transmission or other related components, so it is best to address the issue promptly to prevent costly repairs down the line.
10. Is OBDII code P1201 a common issue in 2014 Chevrolet Silverado vehicles?
- While it may not be as common as some other codes, issues related to the transmission range sensor can occur in 2014 Chevrolet Silverado vehicles, prompting the P1201 code to be triggered.
Discuss the causes and fixes for P1201 2014 Chevrolet Silverado OBDII Code
Code P1201 2014 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.