AutoCodes – Generic – P17EC

P17EC 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 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 6,257

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P17EC 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 - Ratio Monitoring Shift 5-4 - AutoCodes.com — P17EC Code - Ratio Monitoring Shift 5-4

What does this mean?

What are the Possible Causes of the DTC P17EC?

Transmission Mechanical Problems
Faulty Transmission Assembly

How to Fix the DTC P17EC?

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 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 code?

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

Need Help with the Code?

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

Information for Specific Makes

P17EC BMW — Ratio Monitoring Shift 5-4
P17EC MINI — Ratio Monitoring Shift 5-4

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 Code

1. What are the common symptoms of OBDII code P17EC (Ratio Monitoring Shift 5-4)?

- Common symptoms include rough shifting between gears, hesitation or jerking while driving, and the transmission slipping.

2. What are the possible causes of OBDII code P17EC?

- Possible causes include low transmission fluid levels, a faulty transmission solenoid or valve body, electrical issues, or a malfunctioning transmission control module.

3. How can I diagnose the OBDII code P17EC issue?

- Diagnosis typically involves using a scan tool to read the trouble codes, checking the transmission fluid level and condition, and conducting a thorough inspection of the transmission components.

4. Can driving with OBDII code P17EC cause further damage to the vehicle?

- Continuing to drive with this code may potentially lead to more severe transmission issues and damage if left unresolved.

5. What are some repair tips for resolving OBDII code P17EC?

- Repair tips may include checking and topping up the transmission fluid, inspecting and replacing faulty solenoids or sensors, and resetting the transmission adaptation values.

6. Is it safe to continue driving with OBDII code P17EC present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and potentially compromise vehicle safety.

7. Can I reset the OBDII code P17EC without fixing the underlying issue?

- While you can clear the code with a scan tool, it is crucial to address the root cause of the problem to prevent the code from reoccurring.

8. How much does it typically cost to repair OBDII code P17EC?

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

9. Are there any recalls related to OBDII code P17EC for certain vehicle models?

- It is advisable to check with the vehicle manufacturer or a dealership to inquire about any recalls or technical service bulletins related to this specific OBDII code for your vehicle.

10. Can a DIY enthusiast fix OBDII code P17EC at home?

- Some basic troubleshooting and repairs, such as checking fluid levels and replacing sensors, can be done by DIY enthusiasts. However, more complex issues may require professional assistance from a mechanic or technician.