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MaxxECU online help

Navigation: Advanced > 8HP gearbox control

8HP Installation and wiring

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The 8HP control is still in BETA

 

8HP related links

8HP CAN protocol.

8HP Drive modes.

8HP hardware identifier.

8HP hardware upgrade.

8HP Installation and wiring.

8HP RealTime Data.

8HP reflash procedure.

8HP shift control.

8HP shifter.

8HP shifter emulation.

8HP TCU firmware.

8HP torque converter control.

8HP transbrake.

8HP wiring information.

MTune 8HP Control.

MTune 8HP Settings.

 

 

1 - Cable harness between the MaxxECU and the 8HP gearbox

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MaxxECU 8HP cable harness MaxxECU 8HP (GEN1) cable harness (Dodge shifter), product ID 2283 or MaxxECU 8HP (GEN1) cable harness (BMW 8HP shifter), product ID 2287.

Note: We only support our 8HP cable harnesses, yes they are easily made yourself, BUT it is the only thing money wise we get back on all the countless hours of developing this, so please support us.

 

 

2 - GEN1 8HP gearbox

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The actual GEN1 8HP gearbox of supported models, see chart below.

 

Basically, any 8HP45 / 8HP70 / 8HP90 gearbox is supported.

 

Gearbox support

GEN1 8HP gearboxes

Example car models

Status/information

8HP30 (RWD)

BMW 1 series (F20), BMW X1 (E84)

No support planned

8HP45 (RWD)

BMW 335i N55

Supported and working as an official BETA

8HP55 (AWD)

Audi A4/A5 (B8), Audi A6/RS6 (C7), Audi S4/S5 (B9)

TCU has been reflashed, and booted, we are working on it...

8HP65 (AWD)

Audi A4 (B9), Audi A6/A7/S8 (C8), Audi A8 (D5)

No support planned

8HP70 (RWD)

BMW 3 (F30), BMW 4 (F32), BMW 5 (F10/F11), BMW 7 (F01/F02), BMW X5, Dodge Charger/Challenger/Durango

Supported and working as an official BETA

8HP90 (RWD)

BMW 760i (F02/F03), Dodge Charger/Challenger.

Supported and working as an official BETA

For a more detailed list, see wikipedia. Only GEN1 is currently supported after the TCU has been reflashed.

Note: Currently, we do NOT support the GEN2 or GEN3 versions of the 8HP, maybe later on...

 

 

TCU support

Bosch TCU Id

Bosch Part number

CPU type

GEN1 gearbox

Vehicle

Status/information

1034420203

0260550046

SH725xx

8HP45 (RWD)

BMW F11 535i 2012

2048KB memory area. NOT SUPPORTED

1034420203

0260550046

SH725xx

8HP70 (RWD)

BMW 530D 2011

2048KB memory area. NOT SUPPORTED

1034420203

0260550030

SH725xx

8HP70 (RWD)

BMW F11 550i 2011

2048KB memory area. NOT SUPPORTED

1034420203

0260550030

SH725xx

8HP70 (RWD)

BMW F07 540i, 2013

2048KB memory area. NOT SUPPORTED

1034420203

 

SH725xx

8HP70 (RWD)

BMW F11 520D 2012

2048KB memory area. NOT SUPPORTED

1034420203

 

SH725xx

8HP70 (RWD)

BMW 2013 F13 650

2048KB memory area. NOT SUPPORTED

1034420209

0260550051



BMW X5 N57 2018

2048KB memory area. NOT SUPPORTED

1034420219

0260550073

SH725xx

8HP70 (RWD)

BMW 530D N57 2012

Supported and working as an official BETA

1034420221

0260550075

SH725xx

8HP70 (RWD)

BMW E70 X5 4.4 2013

Supported and working as an official BETA

1034420222

 

SH725xx

8HP55 (RWD)

Audi RS6 (C7)

TCU has been reflashed, and booted, we are working on it...

1034420235

 

SH725xx

8HP45 (RWD)

BMW 335i N55

Supported and working as an official BETA

1034420236

0260550074

SH725xx

8HP70 (RWD)

BMW 5 F10

Supported and working as an official BETA

1034420236

 

 

8HP45 (RWD)

BMW N55 35i 2019

Supported and working as an official BETA

1034420236



8HP45 (RWD)

F30 N26 2013

Supported and working as an official BETA

1034420237

0260550076

SH725xx

8HP70 (RWD)

Jaguar XF CC9 2.2 diesel 2015

Supported and working as an official BETA

1034420267

 

SH725xx

8HP70 (RWD)

Dodge Charger 2018

Supported and working as an official BETA

1034420285


SH725xx

8HP70 (RWD)

VW Amarok 2016

Supported and working as an official BETA

1034420288

0260550074

SH725xx

8HP70 (RWD)

Dodge RAM Classic 5.7 2020 RWD

Supported and working as an official BETA

WIll be updated, please contact us if you encounter a new TCU ID/Bosch part number.

 

 

How to find the TCU ID and Bosch part numbers

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Bosch part number example

 

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Bosch TCU ID number

 

 

3 - Shifter options

Currently, MaxxECU supports the 8HP Dodge, 8HP BMW shifters and the 8HP shifter emulation.

 

Shifter

Part number

Note/status

Dodge 2015-2023 8HP

04670717AB

OK

BMW 740i F series 8HP

9197 621-01 / 10010306-00

OK

BMW

GW 9 296 896-01 / 10099948-00

OK

BMW 5

9296904

OK

Most likely any Dodge 8HP or any F series BMW 8HP shifter will work.

 

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Dodge 8HP shifter is directly supported with the MaxxECU 8HP (GEN1) cable harness (Dodge shifter), product ID 2283 cable harness.

 

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The 8HP BMW shifter are directly supported using the MaxxECU 8HP (GEN1) cable harness (BMW 8HP shifter), product ID 2287.

 

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Using the 8HP shifter emulation feature, any supported keypad can be used instead of a real shifter.

 

 

Videos

BMW F shifter wired to the Dodge 8HP using MaxxECU.

 

 

4 - Paddle shifters.

 

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Paddle shifters from example Mercedes, part number A 171 267 00 46. Or any other paddle shifters (or buttons on the steering wheel) that "closes" the circuit when pressed and wired directly to the MaxxECU.

Note: Paddle inputs are required for the 8HP transbrake feature.

 

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Example on how to trigger the digital input for paddle up in MaxxECU wired to DIN1, could be captured on AIN or even CAN.

 

 

5 - Wiring information

 

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8HP GEN1 gearbox connector pinout, looking into the connectors terminal side.

 

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8HP GEN1 gearbox connector pinout, looking into the connectors terminal side.

 

Dodge 8HP GEN1 connector pinout

Pin

Description

8HP usage

Note

1

-

 

 

2

-

 

 

3

-

 

 

4

-

 

 

5

CAN H

CAN High

 

6

CAN L

CAN Low


7

-



8

-



9

+12V

Wakeup signal


10

-



11

-



12

-



13

+12V

Main power supply


14

GND

Ground


15

-



16

-



 

12-pin GT150 connector

Pin

Description

Usage

A

+12V (power supply)

Must be powered at the same time as MaxxECU

B

+12V (wakeup signal)

Must be powered at the same time as MaxxECU

C

CAN H

To MaxxECU CAN H

D

-

 

E

-

 

F

-


G

GND

To chassie/engine GND

H

-


J

CAN L

To MaxxECU CAN L

K

-


L

-


M

-


 

Dodge Shifter connector

Pin

Description

Usage

Note

1

+12V

Main power supply

 

2

-

 

 

3

-

 

 

4

CAN H

CAN High

 

5

CAN L

CAN Low

 

6

-

 

 

7

-

 

 

8

-

 

 

9

-


 

10

GND

Ground

 

 

BMW F series shifter connector (10-pin)

Pin

Description

Usage

Note

1

-

 

 

2

-

 

 

3

CAN L

CAN Low

 

4

CAN H

CAN High

 

5

-

 

 

6

-

 

 

7

+12V (wakeup)

Wakeup signal

 

8

GND

Ground

 

9

-

 

 

10

+12V

Main power supply