ip_tq_pow_max_at
ip_tq_pow_max_dct
ip_tq_pow_max_mt
ip_tq_pow_max_at_4wd

yes, but I couldn't find ip_tq_pow_max_at, ip_tq_pow_max_dct and ip_tq_pow_max_at_4wd in simos8.4 binary. I only saw maps similar to ip_tq_pow_max_mt and ip_tq_pow_max_mt_4wd, so that's what I changed as you can see in from the bin/xdf (plus boost pressure limit). That said, this still might need to be refined a lot. Another note is that a mile after the pull (driving at very light throttle and low rpms), the car just shutdown and threw a bunch of "no communication with ECU" codes and doesn't restart even after flashing back to stock. While the current diagnosis is that this is likely an ECU power supply relay from this tsb https://static.nhtsa.gov/odi/tsbs/2014/SB-10055713-5611.pdf, it could be anything until I get that relay and it fixes the car.

In that hexdump area of simos8.4, I edit those along with:
ip_tq_pow_max_drof_mt
ip_tq_pow_max_drof_mt_4wd
ip_tqi_dif_abs_lim
ip_tqi_dif_abs_lim_st
ip_tqi_dif_i_lim

Fyi, if your car is a DL501, your not going to generate more than 550Nm. The DL501 will limit the power delivery regardless of mods done to engine. You could overcome by under valuing the power over CAN but I've never found it to work 100% on my car at getting the full power available, unless the DL501 is programmed for the extra power allowance.

ip_tqi_dif_abs_lim
ip_tqi_dif_abs_lim_st
ip_tqi_dif_i_lim

The above are for limp mode power limits which I believe when triggered are active above 1500rpm. You don't need to edit these maps, but I do and max them out. I do my fair share of tracking and would not want throttle/power cut when I'm committed in or out of a corner.

ip_tq_pow_max_drof_mt
ip_tq_pow_max_drof_mt_4wd

The above from my understanding are for manual trans and/or free reving. However, a large amount of the ecu's I've worked on will use manual trans tables even on an automatic vehicle. If the manual trans maps are below the limits of the automatic maps, the manual map limits "could" restrict the final output power because those values are the lesser in the batch of torque maps and viseversa.

Yes, you could in theory also update the 2009 file with D variant frf and then flash with just the map calibration addresses edited.

However, you can’t do an actual read with simos8.4 with pcmflash, it’ll kick out a virtual read. The only tool I know that does an actual read through OBD is Kess, but you need to unlock OBD reading in boot mode first. That actual read would get you all in the map calibration addresses.

If you need a full read, only option is to bench, only tools I’m aware that bench are Autotuner and bFlash. Once read with one of those tools, you could view the full read by looking at the original backup file.


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Pretty good marketing they are doing, but MagicMotorsport can as well, and it's a much bigger tool.
For Simos8.3 you either have full OBD protocol or not. If there is full OBD you need a dump and then that can be written OBD with RSA bypass.
If there's no full OBD protocol, and no RSA bypass implemented, then it needs to be set into devmode in bench or boot mode first.

Reading is impossible regardless until it's in devmode.

Yes


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Post your file and I’ll see if it’s similar to 8.4, to disable SAI


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