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HOMESERVICE MANUALSDODGE AND RAM20231500 TRXREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESELECTRONIC CONTROL MODULES (SERVICE INFORMATION) - 1500 (1 OF 2)MODULE, DRIVERS ASSISTANCE SYSTEM (DASM)MODULE PROGRAMMING
2023 Dodge and Ram 1500 TRX

Module Programming

2023 Dodge and Ram 1500 TRXSECTION Module Programming
NOTE:

Aftermarket add-ons that protrude into the Driver Assistance System Module (DASM) field of view will inhibit the ability to calibrate and will inhibit functionality. Please remove any such components prior to performing the calibration procedure.

This DASM calibration procedure is required when the:

  • DASM has been replaced
  • Windshield has been replaced and the DASM has been reinstalled to the new windshield
  • Tire diameter has been changed
  • Calibration not learned Diagnostic Trouble Code (DTC) (C008F-00) or Sensor Adjustment Required DTC (C14A4-00) are present
  1. Using a digital inclinometer, read and record the vertical angle by holding the inclinometer against the cooling ribs on the back of the DASM.
    GC0185560Courtesy of CHRYSLER GROUP, LLC
  2. Once the DASM angle has been determined, and if an adjustment is needed, use an e5 Torx tool to adjust the DASM adjustment head screw (1). Move in the appropriate direction to adjust the module, remove the torx wrench prior to rechecking the vertical alignment.
    NOTE:

    The adjustment specification is: -1 +/- 0.2 degree from vertical. The preference is for -1 +/- 0.1 degree from vertical.

    GC0199025Courtesy of CHRYSLER GROUP, LLC
  3. Repeat step 1 and step 2 until the DASM is within the adjustment specification.
  4. After completing the vertical alignment, connect the diagnostic scan tool to the vehicle.
  5. Select the "DASM ECU" and then select the "Miscellaneous Functions" tab.
  6. Select and run the "DASM Auto Alignment" procedure and follow the on screen prompts to complete DASM calibration.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.