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FORScan


larryh
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FORScan has released a new Windows version of their software that now properly reads all the modules available on the various CAN buses using an OBD II scanner:  HS, HS2, HS3, and MS CAN buses.

 

The organization of the modules is as follows:

 

HS CAN

 

SOBDMC - Secondary OBD Control Module C
BECM - Battery Energy Control Module
SOBDM - Secondary OBD Control Module A
PCM - Powertrain Control Module
OBDII - On Board Diagnostic II
APIM - Accessory Protocol Interface Module
ACCM - Air Conditioning Control Module
GFM - Generic Function Module
DCDC - DC to DC Converter Control Module
PAM - Parking Aid Module
BdyCM - Body Control Module

 

 

HS2 CAN

 

OCS - Occupant Classification System Module
ABS - Anti-Lock Brake / Traction Control Module

RCM - Restraint Control Module
PSCM - Power Steering Control Module

SCCM - Steering Column Control Module

GWM - Gateway Module A

IPMA - Image Processing Module A

 

 

HS3 CAN

 

DACMC - Digital Audio Control Module C

DSP - (Audio) Digital Signal Processing Module

TCU - Telematic Control Unit Module

ACM - Audio Control Module

IPC - Instrument Panel Control Module

 

 

MS CAN

 

SODR - Side Obstacle Detection Control Module - Right
SODL - Side Obstacle Detection Control Module - Left
FCIM - Front Controls Interface Module
RTM - Radio Transceiver Module
PDM - Passengers Door Control Unit
DDM - Drivers Door Module
GPSM - Global Positioning System Module
DSM - Driver's Seat Module
 

 

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FORScan does indeed allow you to control the car.  I tried the BdyCM PIDs to lock and unlock all the doors.  They did lock and unlock the doors.  I don't think I will experiment with the control PIDs.  You might damage the car.  Setting the generator voltage, disabling fuel injectors, setting pump speeds, setting the spark advance or the camshaft angle, etc. is probably not the best thing to be experimenting with.

Edited by larryh
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FORScan does indeed allow you to control the car. I tried the BdyCM PIDs to lock and unlock all the doors. They did lock and unlock the doors. I don't think I will experiment with the control PIDs. You might damage the car. Setting the generator voltage, disabling fuel injectors, setting pump speeds, setting the spark advance or the camshaft angle, etc. is probably not the best thing to be experimenting with.

Would you be able to turn on DRLs this way?
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  • 2 weeks later...

I would not advise anyone to use a WiFi OBD II scanner. They are not secure. Anyone could use Forscan or another application to obtain the codes to unlock the doors or send the appropriate commands to unlock the doors and start the car, or worse, send commands that will interfere with the cars operation while you are driving. If you use a WiFi adapter, remove it from the car when not in use. A Bluetooth scanner is more secure. Forscan has the ability to change the codes to start the car and reprogram keys.

Edited by larryh
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I would not advise anyone to use a WiFi OBD II scanner. They are not secure. Anyone could use Forscan or another application to obtain the codes to unlock the doors or send the appropriate commands to unlock the doors and start the car, or worse, send commands that will interfere with the cars operation while you are driving. If you use a WiFi adapter, remove it from the car when not in use. A Bluetooth scanner is more secure. Forscan has the ability to change the codes to start the car and reprogram keys.

 

No choice if using Apple mobile devices. I think it's only the Windows versions of Forscan that can send commands.

 

I suppose there's a chance that people are riding around in their cars with their laptop looking for WiFi OBD networks to interfere with, but seems unlikely. I think most people use their OBD to look for problems at home rather than logging data for analysis like you do.

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People should be aware of the vulnerabilities of OBD II Scanners.  I'm sure a determined hacker can also connect to a Bluetooth scanner, but it will take more effort.  Some of the cheaper ones constant broadcast their presence and have easy to guess 4 digit PINs such as 1-2-3-4.  It is probably inadvisable to leave the car in a public parking lot with such a scanner still plugged in.  ForScan and other applications make it easy for intruders to take control of the car.   Some of the more expensive WiFi adapters might let you establish a secure connection. 

Edited by larryh
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