AutoCodes – Chevrolet – P1201 2016 Chevrolet Silverado

P1201 2016 Chevrolet Silverado Code - Transmission Range Redundant Command Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Transmission Range Redundant, Transmission Range Redundant harness is open or shorted, Transmission Range Redundant 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: P1201 2016 Chevrolet Silverado indicates Transmission Range Redundant Command Message Counter Incorrect.
Common causes: Common causes include Faulty Transmission Range Redundant, Transmission Range Redundant harness is open or shorted, Transmission Range Redundant 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.

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Code Popularity 212

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Sep 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1201 2016 Chevrolet Silverado Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when Transmission Range Redundant Command Message Counter is Incorrect.

OBDII Code P1201 2016 Chevrolet Silverado - Transmission Range Redundant Command Message Counter Incorrect - AutoCodes.com — P1201 2016 Chevrolet Silverado Code - Transmission Range Redundant Command Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P1201 2016 Chevrolet Silverado?

Faulty Transmission Range Redundant
Transmission Range Redundant harness is open or shorted
Transmission Range Redundant circuit poor electrical connection

How to Fix the DTC P1201 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 P1201 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 P1201 2016 Chevrolet Silverado code?

Need more information on how to fix the P1201 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P1201 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1201 in a 2016 Chevrolet Silverado?

- Common symptoms include erratic shifting, transmission slipping, decreased fuel efficiency, and the transmission going into limp mode.

2. What does the OBDII code P1201 "Transmission Range Redundant Command Message Counter Incorrect" mean in a 2016 Chevrolet Silverado?

- This code indicates that the transmission control module has detected a discrepancy in the command message counter related to the transmission range.

3. What are the possible causes of OBDII code P1201 in a 2016 Chevrolet Silverado?

- Possible causes include a faulty transmission range sensor, issues with the transmission control module, wiring problems, or software glitches.

4. How serious is OBDII code P1201 in a 2016 Chevrolet Silverado?

- While the vehicle may still be operable with this code, it is important to address it promptly to prevent further damage to the transmission and ensure optimal performance.

5. How can I diagnose OBDII code P1201 in my 2016 Chevrolet Silverado?

- Diagnosis typically involves using a scan tool to retrieve the code, checking the transmission range sensor and related wiring, and inspecting the transmission control module for any faults.

6. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P1201?

- It is not recommended to drive the vehicle extensively with this code present, as it can lead to potential transmission issues and safety concerns.

7. How can I repair OBDII code P1201 in my 2016 Chevrolet Silverado?

- Repair may involve replacing the transmission range sensor, addressing any wiring issues, reprogramming the transmission control module, or seeking assistance from a professional mechanic.

8. Will resetting the OBDII code P1201 in my 2016 Chevrolet Silverado make it go away permanently?

- Simply resetting the code may temporarily remove the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

9. How much does it typically cost to fix OBDII code P1201 in a 2016 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can OBDII code P1201 in a 2016 Chevrolet Silverado be prevented in the future?

- Regular maintenance, prompt attention to any transmission-related issues, and ensuring proper functioning of the transmission components can help prevent the recurrence of this code.