2017-2021 PACCAR MX CM1881 ACM

REQUIREMENTS:


IF THE TRUCK IS IN DERATE PLEASE READ THE INSTRUCTIONS AT THE BOTTOM BEFORE TRYING TO READ AND REFLASH THE ACM.


INSTRUCTIONS FOR BENCH: 

  • CONNECT BENCH HARNESS TO THE NEXIQ AND THE NEXIQ TO THE LAPTOP
  • CONNECT TO ADJUSTABLE POWER SUPPLY. SET VOLTAGE TO 12.5V AND AMPS TO 5A
  • OPEN CUMMINS INSITE AND CONNECT TO THE ACM - IF IT DOES NOT CONNECT DOUBLE CHECK YOUR WORK, MAKE SURE THE CORRECT DEVICE IS SELECTED. 
  • OPEN CALTERM - DO NOT CONNECT
  • COPY AND PASTE TEAMVIEWER USER ID AND PASSWORD AND SEND IT TO US WITH WHATSAPP. (+52 821-159-9183)
  • REINSTALL THE ACM
  • PERFORM ESA/JPRO PROCEDURE 

INSTRUCTIONS FOR ESA:

  • CONNECT USB LINK TO THE DIAGNOSTIC PORT AND CONNECT TO ESA WITH THE KEY ON
  • YOU MAY HAVE TO UPDATE THE MODULES- THIS IS DONE AT YOUR OWN RISK
  • YOU NEED TO DISABLE THE FOLLOWING PARAMETERS AND PROGRAM THE CECU
    • DRIVETRAIN: AFTERTREATMENT REGENERATION FUNCTION
    • DRIVETRAIN: AFTERTREATMENT REGENERATION  SWITCH INSTALLED
    • STANDARD GAUGE: DEF GAUGE
    • OPTIONAL GAUGE: DPF STATUS GAUGE (PACCAR DISPLAY)
    • DISPLAY: ENGINE DERATE POPUP 
  • FISH UP BY CLICKING PROGRAM AND DISCONNECT
  • CONNECT WITH JPRO AND CLEAR OUT ALL REMAINING CODES/DTCS- THERE MAY BE A CHECK ENGINE LIGHT THAT WE CANNOT TURN OFF WITH TUNING

TRUCK IS DERATED- HELP!!!

BEFORE ANY TYPE OF TUNING IS APPLIED YOU NEED TO GET THE TRUCK OUT OF DERATE- EGR CANNOT BE DELETED AND NEITHER CAN THE VGT. THOSE NEED TO BE REPAIRED IF THERE IS AN ISSUE!!!!


STEPS TO GET THE TRUCK OUT OF DERATE:

  • DAVIE4 ONLY, DIESEL LAPTOPS WILL NOT WORK!!!!!!
  • FLASH WITH DAVIE4 AND PULL PLUG AT 50%
  • THEN REFLASH WITH DAVIE4 ALL THE WAY FROM 0-100%.
  • ONCE COMPLETED YOU CAN PULL THE ACM CONNECT IT ON THE BENCH AND SEND US TEAMVIEWER ID AND PASSWORD (SEE INSTRUCTIONS ON THE FIRST PAGE).
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