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HOMESERVICE MANUALSDODGE AND RAM2005MAGNUM R/T, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTACCESSORIES CONTROL SYSTEMSOVERHEAD CONSOLE - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB222D - ECU UNABLE TO CONFIGURE / CONFIGURATION NOT LEARNEDDIAGNOSTIC TEST
2005 Dodge and Ram Magnum R/T, AWD

Diagnostic Test

2005 Dodge and Ram Magnum R/T, AWDSECTION Diagnostic Test
  1. 1)  CHECK FOR AN ACTIVE DTC 
    Fig 1: SCAN TOOL (STARSCAN)
    GC0010242Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition on.

    With the scan tool, record and erase any Electronic Overhead Module DTCs.

    Turn the ignition off, wait 30 seconds then turn the ignition on.

    With the scan tool, read DTCs.

    Is the DTC active? 

    Yes 

    1. Go To step  2).

    No 

    1. The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs.
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .
  2. 2)  CHECK COMMUNICATION TO THE FRONT CONTROL MODULE 
    Fig 2: SCAN TOOL (STARSCAN)
    GC0010242Courtesy of DAIMLERCHRYSLER CORP.

    With the scan tool, check to see if the Front Control Module is active on the bus.

    Is the scan tool able to communicate with the Front Control Module? 

    Yes 

    1. Replace the Electronic Overhead Module. Refer to OVERHEAD CONSOLE - SERVICE INFORMATION .
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .

    No 

    1. Refer to the symptom list for problems related to Communication. (Refer to ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING)
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .
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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.