AutoCodes – Mercury – P090D Mercury

P090D Mercury Code - Clutch 'B' Actuator Control Circuit High

Quick Answer

Clutch motor 2 is a 3-phase bi-directional Direct Current (DC) motor that is controlled by the Transmission Control Module (TCM). Common causes include Faulty Clutch Motor, Clutch Motor harness is open or shorted, Clutch Motor 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: P090D Mercury indicates Clutch 'B' Actuator Control Circuit High .
Common causes: Common causes include Faulty Clutch Motor, Clutch Motor harness is open or shorted, Clutch Motor 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 484

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 Aug 21, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P090D Mercury Description

Clutch motor 2 is a 3-phase bi-directional Direct Current (DC) motor that is controlled by the Transmission Control Module (TCM). The TCM monitors the clutch motor position using three Hall-effect sensor inputs. The Diagnostic Trouble Code (DTC) will set when the TCM detects a short to power on one of the 3 phase circuits.

OBDII Code P090D Mercury - Clutch 'B' Actuator Control Circuit High - AutoCodes.com — P090D Mercury Code - Clutch 'B' Actuator Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P090D Mercury?

Faulty Clutch Motor
Clutch Motor harness is open or shorted
Clutch Motor circuit poor electrical connection
Faulty Clutch Position Sensor
Faulty Transmission Control Module (TCM)

How to Fix the DTC P090D Mercury?

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 P090D Mercury 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.

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Need more information on how to fix the P090D Mercury code? Get Access to Factory Service Manuals

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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 P090D Mercury Code

1. What are the common symptoms of OBDII code P090D in a Mercury vehicle?

The common symptoms of OBDII code P090D in a Mercury vehicle may include difficulty shifting gears, harsh shifting, or the transmission not engaging properly.

2. What does the OBDII code P090D in a Mercury indicate?

OBDII code P090D in a Mercury indicates a fault in the Clutch 'B' Actuator Control Circuit High.

3. What are the possible causes of OBDII code P090D in a Mercury?

Possible causes of OBDII code P090D in a Mercury include a faulty clutch actuator, damaged wiring or connectors in the clutch actuator circuit, or a malfunctioning control module.

4. How can I diagnose the OBDII code P090D in my Mercury?

Diagnosing OBDII code P090D in your Mercury typically involves using a scan tool to read the code, inspecting the clutch actuator and its circuitry for any visible damage, and testing the components for proper functionality.

5. Can I continue driving my Mercury with OBDII code P090D present?

It is not recommended to continue driving your Mercury with OBDII code P090D present, as it may lead to further damage to the transmission or other components.

6. How can I repair OBDII code P090D in my Mercury?

Repairing OBDII code P090D in your Mercury may involve replacing the faulty clutch actuator, repairing or replacing damaged wiring or connectors, or reprogramming the control module.

7. Is OBDII code P090D in a Mercury easy to fix at home?

Fixing OBDII code P090D in a Mercury may require advanced knowledge and tools, so it is recommended to consult a professional mechanic for proper diagnosis and repair.

8. Will resetting the OBDII code P090D in my Mercury make it go away permanently?

Resetting the OBDII code P090D in your Mercury may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return.

9. How much does it cost to repair OBDII code P090D in a Mercury?

The cost to repair OBDII code P090D in a Mercury can vary depending on the specific cause of the issue, parts needed for repair, and labor costs at the repair shop.

10. Can OBDII code P090D in a Mercury affect fuel efficiency?

If left unresolved, OBDII code P090D in a Mercury can potentially affect fuel efficiency due to improper transmission operation and increased strain on the engine.