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April 17, 2024 23:18
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List of PIDs and calculations to retrieve Fiat 500e (2020 version) information from OBD
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var command = [ | |
"ATZ", | |
"ATD", | |
"ATE0", | |
"ATS0", | |
"ATAL", | |
"ATH0", | |
"ATSP7", | |
"ATCP18" | |
]; | |
var command = [ | |
"ATSHDA44F1", | |
"ATFCSH18DA44F1", | |
"ATCRA18DAF144", | |
"22A029", | |
"22A010", | |
"22A009", | |
"22A011", | |
"22A00A", | |
"22A042", | |
"ATSHDA40F1", | |
"ATFCSH18DA40F1", | |
"ATCRA18DAF140", | |
"22013C" | |
]; | |
// SOH calc | |
// > 22A029 | |
// 00A | |
// 0:62A029F9FFOO | |
// 1:04B00493000000 | |
// ahrTotRead = [1][0-3] | |
// ahrResRead = [1][4-7] | |
var ahrTotRead = parseInt("04B0", 16)/10; | |
var ahrResRead = parseInt("0493", 16)/10; | |
var REAL_SOH = Math.round((ahrResRead/ahrTotRead)*1000)/10; | |
console.log("REAL_SOH: ", REAL_SOH); | |
// SOC | |
// > 22A010 | |
// 009 | |
// 0:62A0106D6D6C | |
// 1:6E6C6B00000000 | |
// SOC [0][10-11] | |
var SOC = (parseInt("6C", 16)/255)*100; | |
console.log("SOC: ", SOC); | |
// VOLT MIN & MAX | |
// > 22A009 | |
// OOF | |
// 0:62A009390F0E | |
// 1:350E3101108013 | |
// 2:80120000000000 | |
// voltMax [0][10-11] [1][0-1] | |
// voltMax [1][2-5] | |
var voltMax = parseInt("0E35", 16)/1000; | |
var voltMin = parseInt("0E31", 16)/1000; | |
var voltDelta = voltMax - voltMin; | |
console.log("voltMax: ", voltMax); | |
console.log("voltMin: ", voltMin); | |
console.log("voltDelta: ", voltDelta); | |
// BATERY TEMP | |
// > 22A009 | |
// 00F | |
// 0:624009390F0E | |
// 1:360E3101108013 | |
// 2:80120000000000 | |
// baterytempRead [1][12-13] | |
var baterytempRead = parseInt("13", 16); | |
if(baterytempRead >= 128 ){ | |
baterytempRead = baterytempRead - 256; | |
} | |
var bateryTemp = baterytempRead; | |
console.log("bateryTemp Celsius: ", bateryTemp); | |
// VOLT | |
// > 22A011 | |
// 022 | |
// 0:62A0110DA20D | |
// 1:A10DA0125FOCDA | |
// 2:0CC60B8F0CCBOC | |
// 3:C60CC50CC70D9F | |
// 4:04125F0B8F125E | |
// VOLT [1][2-5] | |
var VOLT = parseInt("0DA0", 16)/10 | |
console.log("VOLT: ", VOLT); | |
// AMPERE | |
// > 22A00A | |
// 62A00A80108039 | |
// AMPERE [6-9] | |
var AMPERE = ((parseInt("8010", 16)-32768)/20); | |
console.log("AMPERE: ", AMPERE); | |
// OBD VOLT | |
// > 22A042 | |
// 62A0423723 | |
// obdVolt [6-9] | |
var obdVolt = parseInt("3723", 16)/1000; | |
console.log("obdVolt: ", obdVolt); | |
// AMBIENT TEMP | |
// > 22013C | |
// 62013C70 | |
// ambientTemp [6-7] | |
var ambientTemp = (parseInt("70", 16)/2)-40; | |
console.log("ambientTemp Celsius: ", ambientTemp); | |
KW = Math.round((VOLT*AMPERE)/100)/10; | |
console.log("KW: ", KW); |
Nice, thanks for the comparison, i'll use your values then to calculate a proper offset.
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Hi @SamuelBrucksch!
Sorry about the delay but i was able to create a list with the displayed SOC and the calculated SOC retrieved from the OBD2 port.
I checked the other values from the response and none seem to be the display SOC but you can see here https://docs.google.com/spreadsheets/d/10EZMmmperrv-VWa_TjmzG5to68-SZ6KpvF6UFSXJ0Ck/edit?usp=sharing the deltas between the 2 values.