P1201 2017 Chevrolet Silverado Code - Transmission Range Redundant Command Message Counter Incorrect
Quick Answer
The P1201 diagnostic trouble code (DTC) in a 2017 Chevrolet Silverado indicates that the Transmission Range Redundant Command Message Counter is incorrect. Common causes include Faulty transmission range sensor, Wiring issues, Malfunctioning TCM. 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 2017 Chevrolet Silverado indicates Transmission Range Redundant Command Message Counter Incorrect.
- Common causes
- Common causes include Faulty transmission range sensor, Wiring issues, Malfunctioning TCM.
- 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 P1201 2017 Chevrolet Silverado Description
The P1201 diagnostic trouble code (DTC) in a 2017 Chevrolet Silverado indicates that the Transmission Range Redundant Command Message Counter is incorrect. This code is related to the transmission control module (TCM) and can affect the vehicle's performance by causing issues with shifting gears. The TCM in the vehicle is responsible for controlling the transmission's operation, including gear selection, shift timing, and torque converter lockup.
Common Causes of P1201 2017 Chevrolet Silverado
- Faulty transmission range sensor
- Wiring issues
- Malfunctioning TCM
- Software glitches in the TCM's programming
Symptoms of P1201 2017 Chevrolet Silverado
- Erratic shifting patterns
- Hesitation when accelerating
- Harsh shifting
- Transmission getting stuck in a single gear
How to Fix P1201 2017 Chevrolet Silverado
- Begin by using a scan tool to retrieve the DTC and identify the specific issue causing the P1201 code.
- Inspect the wiring harness and connectors related to the transmission range sensor for any signs of damage or corrosion. Repair or replace as needed.
- Test the transmission range sensor using a multimeter to ensure it is functioning properly. Replace if faulty.
- If the sensor and wiring are in good condition, the TCM may need to be reprogrammed or replaced to address any software glitches or malfunctions.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1201 2017 Chevrolet Silverado
The cost of repairing a P1201 code in a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of parts such as a transmission range sensor or TCM can range from $100 to $500, while labor costs can vary from $100 to $300. Overall, the total repair cost for this issue could be anywhere from $200 to $800. It's important to note that diagnosis time and labor rates can differ between auto repair shops, so it's advisable to obtain quotes from multiple sources to get an accurate estimate.
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