• Jaguar Range Rover Land Rover EGS CONDUCTOR PLATE MECHATRONICS TCM REPAIR SERVCE GA6HP26Z 6HP26 EGS CONDUCTOR PLATE MECHATRONICS TCM REPAIR SERVCE GA6HP26Z 0260550017, 0260550001, 0260550003 0260550004, 0260550005, 0260550006, 0260550008, 0260550009, 0260550010 0260550011, 0260550012, 0260550013 0260550014, 0260550016, 0260550017 0260550021, 0260550024, 0260550025 0260550026, 0260550027, 0260550041 0260550042, 0260550043 P0850-29 - Park/Neutral Switch Input Circuit - Signal Invalid
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Jaguar Range Rover Land Rover EGS CONDUCTOR PLATE MECHATRONICS TCM REPAIR SERVCE GA6HP26Z 6HP26

Jaguar Range Rover Land Rover EGS CONDUCTOR PLATE MECHATRONICS TCM REPAIR SERVCE GA6HP26Z 6HP26

$750.00 USD
$750.00 USD
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Shipping calculated at checkout.


Having problems with your Jaguar/Land Rover/Range Rover transmission?
Is your transmission hard shifting?
Slipping?
Won't shift out of park or neutral?
Stuck in gear?

The good news is that you do NOT have to replace your transmission and spend thousands of dollars!
We can fix your TCM/Mechatronic and get you back on the road.

Ship your TCM/Mechatronic to us, describe briefly the problems you are having, & we will take care of the rest.

No dealer trips required! No coding!
Bosch part numbers:
0260550017, 0260550001, 0260550003
0260550004, 0260550005, 0260550006, 0260550008, 0260550009, 0260550010
0260550011, 0260550012, 0260550013 LR043927
0260550014, 0260550016, 0260550017
0260550021, 0260550024, 0260550025
0260550026, 0260550027, 0260550041
0260550042, 0260550043 0260550001

BMW reference part numbers: 24347571214, 24348671610, 24347571232, 24348671609 24347571234 24348671606
C2P20302 

P0850-29 - Park/Neutral Switch Input Circuit - Signal Invalid

U0402-00: Invalid Data Received From Transmission Control Module (TCM)

Definition: This is a network communication error occurring on the High-Speed CAN bus. It indicates that a control module (typically the Engine Control Module or the Gear Shift Module) is receiving data from the transmission that is incomplete, corrupted, or does not match expected parameters.

Primary Causes:

Voltage Instability: Sensitive vehicle networks often trigger this code if the battery voltage drops during the module "wake-up" phase or during high-load cranking.
Corrupted Data Packets: Communication errors caused by electromagnetic interference or software synchronization issues between the central gateway and the transmission.
Harness Integrity: Poor pin tension, moisture ingress, or corrosion at the main transmission connector or the intermediate harness junctions.


P0915-01: Gearshift Position Circuit Range/Performance

Definition: This powertrain code identifies an electrical malfunction in the circuit responsible for monitoring the physical position of the gear selector. The suffix `-01` specifically denotes a general electrical failure, such as a short to ground or an open circuit.

Primary Causes:

Faulty TCM Conductor Plate: Circuit degradation, cracked solder joints, or internal failures within the transmission conductor plate (lead frame) that disrupt the voltage signals from the integrated range/position sensors.
Selector Module Malfunction: A fault within the electronic rotary shifter assembly, where the internal board fails to translate the dial position into a valid electrical signal.
Wiring Damage: Chafed or pinched wiring in the harness running between the gear selector and the transmission casing, leading to intermittent signal loss.


Combined System Impact

When these codes appear together, the vehicle typically experiences a "Transmission Fault" warning and may exhibit the following behaviors:

Shift Interlock: The rotary shifter may fail to rise or remain locked in Park.
Limp Mode: The transmission may lock into a single gear (usually 3rd or 4th) to prevent mechanical damage.
Starting Issues: The vehicle may refuse to crank if the system cannot verify a secure Park or Neutral position via the data network due to the conductor plate or communication failure.

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Getting Started

Start a request

Open a request in MavConnect, our customer portal, and tell us the vehicle, the module and what it's doing. A technician reviews it and sends your Technical Review — the price and the shipping instructions — in writing. Accept it, ship the module with any carrier (USPS, FedEx or UPS), and write your request number on the box.

WHAT'S COVERED

A technician looks first

Every request starts with a $195 Technical Review: a technician checks your part number, codes and photos against this service and confirms it's the right call before you ship anything. Go ahead with it and the $195 comes off your price. Want the module measured on the bench before we work on it? Add bench evaluation when you submit — $195 per hour, and you'll know the hours before we start.

WHAT TO EXPECT

Turnaround & warranty

✓ Turnaround: stated in your Technical Review and counted from the day your module reaches our bench.  

✓ Warranty: six months on rebuilds and programmed replacements, when installed by a licensed shop.

✓ Programming: your module comes back with its own programming — plug in and drive. Programmed to your VIN — plug in and drive"

About ECU Maverick — ECU Repair, Rebuilding & Programming Specialists

ECU Maverick rebuilds, programs and clones control modules for European, domestic and specialty vehicles. Based in Fort Myers, Florida, we work with independent shops, dealerships and vehicle owners nationwide — by mail.

Where most shops replace and reprogram, we work at the board level: our technicians rebuild the circuits that fail, bringing back modules others write off. That comes from years of reverse engineering and bench work across thousands of control units.

Vehicles We Service

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

Why Shops and Owners Choose Us

Price in writing first — Your Technical Review gives you the exact price before you ship. No surprises, and the $195 comes off your price when you go ahead.

Plug-and-play ready — Rebuilt modules keep their programming; replacements are programmed to your VIN. No dealer visit.

A technician, in writing — Every answer comes from the technician who has your file, on your request in MavConnect. You can read it twice, share it with your shop, and come back to it a year later.

Six-month warranty — On rebuilds and programmed replacements, when installed by a licensed shop. Full terms on your request.

Our Commitment

We exist to keep your vehicle out of the dealership and back on the road — a technician's honest answer, a price in writing, and the same care we'd give our own car, from the first message to the day the module is back in your hands.