AutoCodes – Generic – P16B7

P16B7 Code - Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault

Quick Answer

The Engine Control Module (ECM) monitors the Torque Converter Clutch (TCC). Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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: P16B7 indicates Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted, Engine Control Module (ECM) 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 3,362

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 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16B7 Description

The Engine Control Module (ECM) monitors the Torque Converter Clutch (TCC). The ECM sets the OBDII code when the Torque Converter Clutch (TCC) is not to factory specifications.

OBDII Code P16B7 - Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault - AutoCodes.com — P16B7 Code - Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault

What does this mean?

What are the Possible Causes of the DTC P16B7?

Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection

How to Fix the DTC P16B7?

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 P16B7 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 P16B7 code?

Need more information on how to fix the P16B7 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16B7 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P16B7 BMW — Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault
P16B7 MINI — Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault

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 P16B7 Code

1. What are the common symptoms of OBDII code P16B7?

- Common symptoms include rough shifting, engine stalling, reduced fuel efficiency, and the illumination of the Check Engine light.

2. What are the potential causes of the Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault (P16B7)?

- Possible causes may include a faulty torque converter clutch solenoid, wiring issues, a malfunctioning engine control module (ECM), or a defective torque converter itself.

3. How can I diagnose OBDII code P16B7?

- Diagnosis typically involves using a professional OBDII scanner to read the trouble code, conducting a visual inspection of related components, and performing electrical tests to pinpoint the exact issue.

4. What steps can I take to repair OBDII code P16B7?

- Repair options may include replacing the torque converter clutch solenoid, repairing any damaged wiring, resetting the ECM, or replacing the torque converter if necessary.

5. Can I continue driving with OBDII code P16B7 present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and other drivetrain components.

6. How urgent is it to address OBDII code P16B7?

- It is important to address this code promptly to prevent potential transmission damage and ensure the vehicle operates safely and efficiently.

7. Can a DIY enthusiast fix OBDII code P16B7?

- While some repairs related to this code can be performed by DIY enthusiasts, complex issues such as internal transmission problems may require professional assistance.

8. How much does it typically cost to repair OBDII code P16B7?

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

9. Will resetting the Check Engine light clear OBDII code P16B7?

- Resetting the Check Engine light may temporarily hide the code, but it will likely reappear if the underlying issue causing the fault is not addressed.

10. Is it possible for OBDII code P16B7 to trigger other related fault codes?

- Yes, it is possible for this fault code to trigger additional codes related to transmission or engine control system malfunctions.