Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSDODGE AND RAM20241500 TRXREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCE(DRIVERS ASSISTANCE SYSTEM MODULE - ELECTRICAL DIAGNOSTICS - 1500)DTC TROUBLESHOOTINGU1600-00 ECU APPLICATION SOFTWARE MISMATCHDIAGNOSTIC TEST

2024 Dodge and Ram 1500 TRX

Diagnostic Test

2024 Dodge and Ram 1500 TRXSECTION Diagnostic Test

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
3. With the scan tool, erase all DTCs.
4. Turn the ignition off for a minimum of 10 seconds.
5. Turn the ignition on.
6. Using the recorded Environmental Data and the When Monitored Conditions, operate the vehicle in the conditions that set the DTC.
7. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - This is an indication that the software installed on the vehicle is corrupted, incorrect or the flash procedure was interrupted. Flash the controller, making sure the correct flash file is used. If this DTC continues to set after flashing at least three times, Go To 2
  No
  - Perform the appropriate TESTING FOR AN INTERMITTENT CONDITION diagnostic procedure. Refer to: TESTING FOR AN INTERMITTENT CONDITION .
CHECK RELATED HARNESS CONNECTIONS
1. Turn the ignition off.
2. Disconnect all DASM harness connectors.
3. Disconnect all related in-line harness connections (if equipped).
4. Disconnect the related component harness connectors.
5. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Repair any conditions that are found.
6. Reconnect all DASM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
9. With the scan tool, erase DTCs.
10. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
11. With the scan tool, read DASM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Driver Assistance System Module (DASM) in accordance with the Service Information. Refer to: DRIVER ASSISTANCE SYSTEM MODULE (DASM), REMOVAL AND INSTALLATION .
  - Perform the DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST. Refer to: DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST .
  No
  - Perform the DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST. Refer to: DRIVER ASSISTANCE SYSTEM MODULE (DASM) VERIFICATION TEST .
  - Test complete.

RENDER: 1.0x

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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.