AutoCodes – Generic – P090A

P090A Code - Clutch 'B' Actuator Control Circuit/Open

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: P090A indicates Clutch 'B' Actuator Control Circuit/Open.
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 3,882

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 P090A 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 an open circuit on one of the 3 phase circuits.

OBDII Code P090A - Clutch 'B' Actuator Control Circuit/Open - AutoCodes.com — P090A Code - Clutch 'B' Actuator Control Circuit/Open

What does this mean?

What are the Possible Causes of the DTC P090A?

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 P090A?

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 P090A 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 P090A code?

Need more information on how to fix the P090A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P090A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P090A Ford — Clutch 'B' Actuator Control Circuit/Open
P090A Lincoln — Clutch 'B' Actuator Control Circuit/Open
P090A Mercury — Clutch 'B' Actuator Control Circuit/Open

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 P090A Code

1. What are the common symptoms of OBDII code P090A (Clutch 'B' Actuator Control Circuit/Open)?

The common symptoms include difficulty shifting gears, clutch slippage, and the clutch not engaging or disengaging properly.

2. What can cause OBDII code P090A to trigger?

This code is usually triggered by a faulty clutch actuator, damaged wiring or connectors in the clutch actuator circuit, or a failed clutch actuator control module.

3. How serious is OBDII code P090A (Clutch 'B' Actuator Control Circuit/Open)?

This code can cause drivability issues and potentially result in the vehicle being stuck in one gear or unable to shift gears. It is important to address this issue promptly to avoid further damage.

4. How can I diagnose the issue causing OBDII code P090A?

Diagnosing this code typically involves checking the clutch actuator, inspecting the wiring and connectors in the circuit, and using a scan tool to monitor the clutch actuator control module.

5. Can I continue driving with OBDII code P090A present?

It is not recommended to continue driving with this code present, as it can lead to further damage to the clutch system and affect the vehicle's drivability.

6. How can I repair OBDII code P090A (Clutch 'B' Actuator Control Circuit/Open)?

Repairing this code may involve replacing the faulty clutch actuator, repairing or replacing damaged wiring or connectors, or reprogramming the clutch actuator control module.

7. Will resetting the OBDII code P090A make it go away permanently?

Resetting the code may temporarily clear the check engine light, but if the underlying issue causing the code is not addressed, it is likely to return.

8. How much does it typically cost to repair OBDII code P090A?

The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of parts needed for the repair.

9. Can OBDII code P090A be a DIY repair, or should I seek professional help?

While some simple checks like inspecting wiring and connectors can be done by DIY enthusiasts, diagnosing and repairing this code often requires specialized tools and expertise, so seeking professional help is recommended.

10. Is it possible for OBDII code P090A to cause damage to other components if left unaddressed?

Yes, if OBDII code P090A is not addressed promptly, it can lead to further damage to the clutch system, transmission, or other related components, resulting in more extensive and costly repairs.