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2009-2012 BMW 7 Series 740i 750i 750Li TCM TCU EGS TURBINE SPEED SENSOR MECHATRONIC REPAIR SERVICE 5WK750010AA 1D3901 5WK75000AA 400626 P07BF $7E9

2009-2012 BMW 7 Series 740i 750i 750Li TCM TCU EGS TURBINE SPEED SENSOR MECHATRONIC REPAIR SERVICE 5WK750010AA 1D3901 5WK75000AA 400626 P07BF $7E9

Regular price $650.00 USD
Regular price Sale price $650.00 USD
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BMW TRANSMISSION MECHATRONIC
TCM TCU REPAIR SERVICE.

Hard shifting?
Turbine speed sensor codes?
Stuck in gear?
Won't shift into gear? 

5WK750010AA

5WK75010AA

400625 Turbine speed sensor: value too small

400372 ratio monitoring gearshift 5-4 implausible

4F83 – ratio monitoring clutch c

420636 - position sensor: electrical fault L4 Shifter


1D3901 Electronic transmission control (EGS), signal evaluation (turbine 180894 yes Information
speed): Invalid signal content


213601 Power management: closed-circuit current violation 180894 No

400626 Turbine speed sensor, short circuit to ground or open circuit 180885 yes
400633 Parking-lock sensor, position implausible 180895 No
P07BF - 00 - Input - Turbine Shaft Speed Sensor 1 Circuit Low
P07BF - Input Speed Sensor

Common BMW transmission error messages and malfunctions:

  • Transmission Failsafe Prog. Warning signs

  • Transmission stuck in gear.

  • BMW Transmission slipping

  • Transmission shifts hard, not smoothly.

  • Transmission malfunction drive moderately message

  • The engine revs up, but the transmission refuses to shift.

  • The lag between gears such as 1st to 2nd, 2nd to 3rd

  • Gear ratio fault codes

  • Fluid leaks on the ground

  • Shifting gears is delayed

  • Rough shifting between gears, primarily 2nd to 3rd

  • Transmission service due now message on dashboard

  • Burning smell from under the car

058007053, 6058007070, 6058007071, 6058007083, 6058007084, 6058007115, 6058007119, 6058007003, 6058007008, 6058007045, 6058007046, 6058007051, 6058007053, 6058007070

 

P0760 - Shift Solenoid A Performance  
P0761 - Shift Solenoid A Performance or Stuck Off  
P0762 - Shift Solenoid B Performance  
P0763 - Shift Solenoid B Performance or Stuck Off  
P1770 - Transmission Fluid Temperature Sensor Malfunction  
P1776 - Transmission Fluid Pressure Sensor Malfunction  
P1810 - Clutch Pressure Circuit  
P1826 - Transmission Control Module Malfunction  

4000A1 - Transmission Electronic Control Unit (ECU) Malfunction  
400010 - TCU Communication Fault  
4002D1 - Gear Shift Malfunction (Electronic)  
400A39 - Gear Ratio Error  
400021 - Gearbox Overheating  
400005 - Torque Converter Lock-up Clutch Fault  
4004C5 - Clutch Pressure Monitoring Failure  
400404 - Hydraulic Pressure Control Failure  
400333 - Transmission Cooling Circuit Malfunction  
400392 - Oil Temperature Sensor Error  

401500 - Fluid Leak Detected  
404213 - Mechanical Failure Detected  
406130 - Valve Body Malfunction  
408052 - Gear Synchronization Issue


400340 - Transmission control module (TCM) communication fault
400341 - Transmission solenoid malfunction or failure (specific solenoid-related issue)
400342 - Gear shift sensor failure (communication issue with gear sensors)
400343 - Transmission pressure sensor malfunction (failure of hydraulic pressure sensor)
400344 - Torque converter clutch solenoid failure (torque converter issue)
400345 - Clutch actuator fault (clutch control issue)
400346 - Gear synchronization error (fault with gear synchronization system)
400347 - Gearbox internal failure (mechanical failure within the gearbox)
400348 - Transmission fluid pressure error (incorrect fluid pressure detected)
400349 - Transmission overheating (due to fluid or electrical issue)
400350 - Transmission component wear (sensor indicating abnormal wear)

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Getting Started

Submit Your Work Order

Fill out our simple work order form to get your unique work order number. We'll email you shipping instructions immediately. Ship your module to us using any carrier (USPS, FedEx, UPS). Include your work order number with your shipment.

What's Covered

Thorough Bench Testing

Every module is tested before and after repair to ensure full functionality. If your unit tests fine, shows no issues, or is deemed non-repairable, a bench fee applies. We'll contact you before charging anything beyond the base service fee.

What to Expect

Turnaround & Warranty

Turnaround: 2-3 business days (complex jobs may take longer)

Warranty: 6 months on repairs we perform

Programming: Not required—plug and drive

About ECU Maverick — Expert ECU Repair & Programming Services

ECU Maverick specializes in component-level ECU repair and programming for European, domestic, and specialty vehicles. Based in Fort Myers, Florida, we serve independent repair shops, dealerships, and vehicle owners nationwide.

Where most shops rely on reprogram-and-replace methods, we take a different approach. Our technicians diagnose and repair individual circuits at the board level, restoring modules that others write off as failures. This expertise comes from years of reverse engineering and bench testing across thousands of control units.

Vehicles We Service

We specialize in European automotive electronics, including BMW, Mercedes-Benz, Audi, Porsche, Land Rover, Bentley, Ferrari, Lamborghini, Maserati, and Aston Martin ECU repair. We also service domestic vehicles, heavy equipment control modules, and marine electronics systems.

Why Shops and Owners Choose Us

Fast Turnaround — Most ECU repairs ship within 2–3 business days. Same-day rush service available.

Plug-and-Play Ready — Every module leaves fully programmed and coded to your vehicle. No dealer visit required.

Direct Communication — Text or call us and speak with a real technician. No ticket queues, no waiting.

6-Month Unlimited Mileage Warranty — Drive with confidence. Our warranty covers you regardless of how many miles you put on.

Our Commitment

We exist to keep your vehicle out of the dealership and back on the road—with reliable repairs, transparent pricing, and expert support from start to finish. Every job receives the same attention we'd give our own vehicle.