AutoCodesBMW – P17EC BMW

P17EC BMW Code - Ratio Monitoring Shift 5-4

Quick Answer

The Transmission Control Module (TCM) monitors the Shift Ratio. Common causes include Transmission Mechanical Problems, Faulty Transmission Assembly. 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
P17EC BMW indicates Ratio Monitoring Shift 5-4.
Common causes
Common causes include Transmission Mechanical Problems, Faulty Transmission Assembly.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 13,350
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 19, 2020
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Code P17EC BMW Description

The Transmission Control Module (TCM) monitors the Shift Ratio. The TCM sets the OBDII code when the Shift Ratio is not to factory specifications.
OBDII Code P17EC BMW - Ratio Monitoring Shift 5-4 - AutoCodes.com
P17EC BMW Code - Ratio Monitoring Shift 5-4

What are the Possible Causes of the DTC P17EC BMW?

  • Transmission Mechanical Problems
  • Faulty Transmission Assembly

How to Fix the DTC P17EC BMW?

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 P17EC BMW 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 P17EC BMW code?

Need more information on how to fix the P17EC BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P17EC BMW code diagnosed by a professional: Find a repair shop in your area

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 P17EC BMW Code

1. What are common symptoms of OBDII code P17EC in a BMW related to Ratio Monitoring Shift 5-4?

- Common symptoms include harsh shifting between gears, hesitation or slipping during acceleration, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code P17EC related to Ratio Monitoring Shift 5-4 in a BMW?

- Possible causes may include a faulty shift solenoid, low transmission fluid level, internal transmission issues, or a malfunctioning transmission control module.

3. How can I diagnose OBDII code P17EC in my BMW for Ratio Monitoring Shift 5-4?

- Diagnosis typically involves using a scan tool to retrieve the code, checking for any other related codes, inspecting the transmission fluid level and condition, and performing a thorough transmission system inspection.

4. Can I continue driving my BMW with OBDII code P17EC related to Ratio Monitoring Shift 5-4?

- It is not recommended to continue driving your BMW with this code as it may lead to further transmission damage and potentially unsafe driving conditions.

5. How can I repair OBDII code P17EC in my BMW for Ratio Monitoring Shift 5-4?

- Repair options may include replacing the faulty shift solenoid, addressing any transmission fluid issues, repairing internal transmission components, or reprogramming the transmission control module.

6. Is it possible to reset OBDII code P17EC in a BMW related to Ratio Monitoring Shift 5-4 without fixing the underlying issue?

- While clearing the code may temporarily turn off the Check Engine Light, it is important to address the root cause of the issue to prevent further transmission problems.

7. Are there any preventative maintenance tips to avoid OBDII code P17EC related to Ratio Monitoring Shift 5-4 in a BMW?

- Regularly servicing the transmission, checking and maintaining proper fluid levels, and addressing any minor transmission issues promptly can help prevent this code from occurring.

8. Can a DIY enthusiast repair OBDII code P17EC related to Ratio Monitoring Shift 5-4 in a BMW, or is professional help necessary?

- Depending on the severity of the issue and your expertise, some repairs related to this code may be tackled by a knowledgeable DIY enthusiast, but complex transmission repairs may require professional assistance.

9. How much can I expect to pay for repairing OBDII code P17EC in a BMW for Ratio Monitoring Shift 5-4?

- Repair costs can vary significantly based on the specific issue, parts needed, labor rates, and whether you choose a dealership or an independent repair shop. It’s advisable to get multiple quotes for an accurate estimate.

10. Will fixing OBDII code P17EC related to Ratio Monitoring Shift 5-4 improve the overall performance and drivability of my BMW?

- Yes, resolving this code can help restore smooth shifting, improve acceleration, and maintain the overall performance and drivability of your BMW.

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