iBooster donor vehicles

The iBooster made by Bosch is used in many modern cars. Most well known example probably is the Tesla Model S for the GEN1 and the Tesla Model 3 for the GEN2. But did you know at least 10 other cars are also using the iBooster? Below an overview of iBooster donor vehicles.

iBooster used in electric vehicles (BEV and plugin)

This page provides an overview if possible sources for used iBoosters, where possible including model year (MY) info. You can also check out the EV parts directory for manufacturer part number overviews (online soon).

iBooster GEN1

The GEN1 can be recognized by the rectangular shaped ECU.

GEN1 iBooster

Browse GEN1 list

iBooster GEN2

The GEN2 iBooster is a bit odd shaped and has the ECU connector pointing forwards.

GEN2 iBooster

Browse GEN2 list

So far only the pinout and wiring of the Tesla iBooster has been tested by EVcreate. So while our connector kit for GEN1 and connector kit for GEN2 fit the other iBooster donor cars too, the pinout for other donors have not been fully verified.

iBooster GEN1 list

  1. Audi A3 e-Tron
  2. Chevrolet Bolt
  3. Chevrolet Malibu
  4. Honda CR-V (MY 2018, 2019)
  5. Jaguar i-Pace (MY 2019, 2020)
  6. Porsche Panamera (MY 2017+)
  7. Tesla Model S (MY 2015+ (with autopilot))
  8. Tesla Model X (MY 2015+)
  9. Volkswagen Passat hybrid
  10. Volkswagen e-Golf
  11. Volkswagen e-UP

I will add a reference table to OEM part numbers later in the EV parts database I’m working on.

iBooster GEN2 list

  1. Honda Accord
  2. Tesla Model 3
  3. Tesla Model Y
  4. Renault Zoe (2018+)
  5. Renault Captur hybrid (2020)
  6. Renault Clio V hybrid
  7. Citroën DS 7 Crossback
  8. Peugeot 3008 II
  9. Volkswagen Caddy Cargo V
  10. Porsche Taycan
  11. Toyota Yaris IV hybrid

I will add a reference table to OEM part numbers later in the EV parts database I’m working on.

iBooster differences

The VW iBooster has an extra enable/input signal. Furthermore the CAN messages of various boosters are different.

Non iBooster

Car / modelBraking system
Nissan LeafHitachi Automotive Systems (e-ACT)
Nissan eNV200Bosch system (but not iBooster)
Honda ClarityTRW
Kia e-NiroMando / Kia (Integrated Brake Actuation Unit (IBAU))
Hyundai IoniqMando
Hyundai KonaHyundai Mobis
Toyota PriusAdvics

Blog series on power brakes

  1. Vacuum assisted power brakes
  2. Electric power brakes
  3. Installing the iBooster
  4. Wiring the Tesla iBooster
  5. Performance test of the Tesla iBooster
  6. CAN control of the iBooster
  7. Other donor vehicles for the iBooster

24 thoughts on “iBooster donor vehicles”

  1. Hi Lars,

    I bought a ibooster of a Toyota Yaris IV hybrid. I cant get it to work consistently.
    it works sometimes, but when i disconect the acc wire it dose not stop working.

    the canbus always works, and i can see the data changing when i push on the connecting rod.
    the other canbus seems to be to fast. when checking the signal with a scope the bit timing looks like 2 Mbps. to fast for canbus?

    any hints?
    Manny (alvast bedankt)

    Reply
    • Hi Manny,
      What I saw on other models is that it can take some time before the iBooster goes into sleep mode. How long did you wait?
      Signal could be CAN FD. That goes up to 2 Mbps, but then you need a CAN FD dongle and software suite (I use this from Peak).

      Reply
      • Hi Lars,

        As I am writing this, I am also testing. And now it does goes to sleep after 3 minutes.
        It did not do that before, so I don’t know what changed

        The CAN bus on pins 16-25 is normal CAN @ 500.000(bit/s).

        identifier_field 0x91
        control_field 0x08
        data_field 0x51
        data_field 0x40
        data_field 0x11
        data_field 0x4F
        data_field 0x10
        data_field 0x00
        data_field 0xF5
        data_field 0x8F
        crc_field 0x5F3D
        ack_field true

        The data in this message changes when the break is pushed. even if the booster is not boosting.

        The CAN bus on pins 10-18 in CAN FD @ arbitration 500.000(bit/s) data 2.000.000(bit/s).

        Std Data idf: 0x091
        Ctrl: 13 (FDF, BRS, ESI)
        D0: 0x41
        D1: 0x4C
        D2: 0x01
        D3: 0x40
        D4: 0x00
        D5: 0x00
        D6: 0x00
        D7: 0x00
        D8: 0x00
        D9: 0x00
        D10: 0x00
        D11: 0x00
        D12: 0x00
        D13: 0x00
        D14: 0x00
        D15: 0x00
        D16: 0x00
        D17: 0x00
        D18: 0x00
        D19: 0x00
        D20: 0x00
        D21: 0x00
        D22: 0x00
        D23: 0x00
        D24: 0x00
        D25: 0x00
        D26: 0x00
        D27: 0x00
        D28: 0x4A
        D29: 0x5F
        D30: 0xA2
        D31: 0xA3
        SBC: 2
        CRC21: 0x013E95

        when the booster is started there is one standard CAN message.

        id:0x47C
        data: 7C 10 03 E9 0F 0F 0F 0F

        I use Savvy CAN for the CAN bus analysis. The CAN FD I captured with a logic 8 for Saleae.

        Both CAN busses are active if the ignition wire is at 12V. when the ignition is open the normal CAN stops but the CA FD keeps sending data.

        maybe the CAN FD needs a ACK to be happy ¯\_(ツ)_/¯

        Manny

        Reply
        • Dear Manny,
          Did you solve how to enable iBooster from Yaris IV hybrid?
          Apparently I have same unit and no luck to got it runninng.

          BR
          Michal

          Reply
  2. Greetings, some time ago I bought a gen 1 ibooster for a Honda Crv 17-18 and I can’t get it to work, I’ve seen many videos on Youtube about this adaptation and the electrical diagrams and nothing doesn’t work, could you help me

    Reply
    • Have not used or tested a Gen 1 CR-V iBooster myself so I’m not sure but perhaps it needs the CAN connections to be ‘valid’. You can try and add termination resistors.

      Reply
  3. It might also help to know the master cylinder bore sizes from donor cars as well, along with reservoir types and orientation of the iBooster (especially for the larger GEN 1).

    Some booster orientations have the top bolt on the left (Chevy Bolt, Audi A3 e-Tron LHD), others on the right (Honda CR-V RHD). The Chevy Bolt and Audi A3 e-Tron do not use remote reservoirs, the Honda CR-V does.

    In terms of bore size, the Audi A3 e-Tron has a 23.8mm bore, so too does the Chevy Bolt. And the Honda CR-V uses 25.4mm.

    Reply
  4. I have a Booster out of a 2019 Honda Accord 2ltr which is the same as the 2020- 22 Insight. There is only one 5 pin plug on these unit. How does one wire these up?????
    Best Wishes

    Peter

    Reply
    • Can you email me a photo of that booster and the part numbers on the device?
      I’d tend do conclude it is either not an iBooster or it is incomplete.
      But even if the control part would be missing the travel sensor would be a 4-pin connector so does not match with your description of 5.
      So I’m curious about further details.

      Reply
  5. Hi Lars, thankyou for the connectors.

    I have an ibooster gen2 from a Porsche Taycan, it doesn’t seem to function or start in failsafe mode.
    Pedal travel sensor and power are connected but applying 12v to ignition has no effect.
    Any ideas on how to troubleshoot this one or is this ibooster dead?

    Reply
    • Hi Paul,
      Sorry to hear that. Unfortunately I do not have any hands on experience with the iBooster from a Taycan nor access to the wiring diagrams.
      So I cannot provide any assistance here whether it needs different wiring compared to those from a Tesla or not.

      Reply
  6. Hey!
    I had a question about the reservoirs, are each gen iboosters specific to that generation? Or are they interchangeable between gens?
    (I have an accord (gen2) ibooster and I don’t want the remote reservoir)

    Reply

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