AutoCodes – MINI – P16B8 MINI

P16B8 MINI 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: P16B8 MINI 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 1,330

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 P16B8 MINI 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 P16B8 MINI - Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault - AutoCodes.com — P16B8 MINI Code - Engine Control Module Self-Test Torque Converter Clutch Monitoring Fault

What does this mean?

What are the Possible Causes of the DTC P16B8 MINI?

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 P16B8 MINI?

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 P16B8 MINI 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 P16B8 MINI code?

Need more information on how to fix the P16B8 MINI code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16B8 MINI 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 P16B8 MINI Code

1. What does the OBDII code P16B8 mean on a MINI?

P16B8 indicates that the Engine Control Module (ECM) has detected a fault in the self-test for torque converter clutch (TCC) monitoring.

2. What are the common symptoms of the P16B8 code?

Symptoms may include poor fuel efficiency, difficulty shifting gears, transmission slipping, or the check engine light being illuminated.

3. What causes the P16B8 code to appear?

Common causes include a faulty torque converter clutch, transmission fluid issues, wiring or connector problems, or a malfunctioning ECM.

4. Can I drive my MINI with a P16B8 code?

Driving with a P16B8 code is not recommended, as it can lead to further transmission damage or reduced performance.

5. How can I diagnose the P16B8 code?

Start by scanning for codes with a diagnostic tool, inspecting the torque converter clutch system, checking the transmission fluid condition, and testing related wiring and connectors.

6. How do I fix the P16B8 code on my MINI?

Repairs may involve replacing the torque converter clutch, flushing or replacing transmission fluid, repairing damaged wiring, or reprogramming or replacing the ECM.

7. Can low transmission fluid cause a P16B8 code?

Yes, low or contaminated transmission fluid can cause issues with the torque converter clutch and trigger the P16B8 code.

8. Is the P16B8 code related to the transmission?

Yes, the code specifically relates to the torque converter clutch, which is a component of the transmission system.

9. How much does it cost to fix the P16B8 code?

Repair costs can vary widely depending on the issue, ranging from $150 for simple fixes like fluid replacement to over $2,000 for torque converter or ECM replacement.

10. Can a software update fix the P16B8 code?

In some cases, an ECM software update can resolve the issue if the problem is related to faulty programming rather than mechanical failure.