LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Controls - DTCS P3425 To U1418 & Symptom Tests) >> Diagnosis And Testing >> U1403-Implausible Fuel Level Signal >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  ACTIVE DTC 
    NOTE: Diagnose all CAN B and C communication failures before continuing.

    Ignition on, engine not running.

    With a scan tool read DTCs.

    Is the DTC active at this time? 

    Yes 

    1. Go To step  2).

    No 

    1. Refer to INTERMITTENT CONDITION .
    2. Perform POWERTRAIN VERIFICATION TEST .
  2. 2)  U0019-NO COMMUNICATION ON THE CAN B BUS CIRCUIT ALSO ACTIVE 

    With a scan tool check for DTCs in the FCM.

    Is the U0019-NO COMMUNICATION ON THE CAN B BUS CIRCUIT active at this time? 

    Yes 

    1. Refer to ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS for the U0019-NO COMMUNICATION ON THE CAN B BUS CIRCUIT diagnostic procedures.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace and program the Powertrain Control Module per Service Information.
    2. Perform POWERTRAIN VERIFICATION TEST .
scientia non olet · About LEMON Manuals