AutoCodes – Generic – P090C

P090C Code - Clutch 'B' Actuator Control Circuit Low

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: P090C indicates Clutch 'B' Actuator Control Circuit Low.
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 3,925

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 P090C 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 ground on one of the 3 phase circuits.

OBDII Code P090C - Clutch 'B' Actuator Control Circuit Low - AutoCodes.com — P090C Code - Clutch 'B' Actuator Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P090C?

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 P090C?

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 P090C 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 P090C code?

Need more information on how to fix the P090C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P090C code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P090C Ford — Clutch 'B' Actuator Control Circuit Low
P090C Lincoln — Clutch 'B' Actuator Control Circuit Low
P090C Mercury — Clutch 'B' Actuator Control Circuit Low

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 P090C Code

1. What are the common symptoms of OBDII code P090C (Clutch 'B' Actuator Control Circuit Low)?

- Common symptoms include difficulty shifting gears, rough or jerky shifting, and the clutch not engaging properly.

2. What are the possible causes of OBDII code P090C?

- Possible causes include a faulty clutch actuator, damaged wiring or connectors in the actuator circuit, low clutch fluid level, or a malfunctioning clutch position sensor.

3. How can I diagnose the cause of OBDII code P090C?

- Diagnosing the code involves performing a visual inspection of the clutch actuator and its wiring, checking the clutch fluid level, and using a scan tool to monitor clutch actuator data and sensor readings.

4. Can I continue driving with OBDII code P090C present?

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

5. How can I repair OBDII code P090C?

- Repairing this code usually involves replacing the faulty clutch actuator, repairing any damaged wiring or connectors, ensuring the clutch fluid level is adequate, and calibrating the clutch position sensor.

6. Are there any DIY tips for fixing OBDII code P090C?

- DIY tips include checking and cleaning the connectors in the clutch actuator circuit, inspecting for any visible damage or wear on the actuator components, and ensuring the clutch fluid level is within the specified range.

7. Is OBDII code P090C a common issue in certain vehicle makes and models?

- This code may be more common in vehicles equipped with dual-clutch transmissions, such as certain models from Volkswagen, Ford, and BMW.

8. Can extreme weather conditions contribute to triggering OBDII code P090C?

- Yes, extreme cold or hot weather can affect the performance of the clutch actuator and its control circuit, potentially leading to the activation of code P090C.

9. What is the typical cost to repair OBDII code P090C at a mechanic or dealership?

- The cost to repair this code can vary depending on the extent of the damage and the specific vehicle make and model, but it may range from $200 to $800, including parts and labor.

10. How long does it usually take to fix OBDII code P090C?

- The repair time for this code can vary, but it generally takes a few hours to a full day for a mechanic to diagnose the issue, perform the necessary repairs, and clear the code from the vehicle's computer system.