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Home >> Dodge and Ram >> 2007 >> Caliber R/T, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2307 To U1417 >> U0121-Lost Communication With Anti-Lock Brake Module >> Diagnostic Test

Diagnostic Test

  1. 1) ACTIVE DTC 

    Ignition on, engine not running.

    With a scan tool, select View DTCs.

    Is the status Active for this DTC? 

    Yes 

      Refer to ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS for diagnostic procedures and for further possible causes.

    No 

    1. Refer to *CHECKING FOR AN INTERMITTENT CONDITION .
    2. Perform PCM VERIFICATION TEST .
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