List of PIDs and calculations to retrieve Fiat 500e (2020 version) information from OBD

500ePIDsCals.js

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.