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Home >> Dodge and Ram >> 2016 >> Viper Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> (Occupant Classification Module (OCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0002-00-Can C Bus Off Performance >> Diagnostic Test
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Diagnostic Test

  1. DETERMINE ACTIVE OR STORED DTC 

    Is the DTC active or stored?

    OCM - ACTIVE DTC 

    • Go To  2

    OCM - STORED DTC 

    • Go To  3
  2. REPLACE OCCUPANT CLASSIFICATION MODULE 

    When this code is set, view repair.

    Repair 

    WARNING:

    If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and may result in possible serious or fatal injury.

    WARNING:

    Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

  3. STORED OCM DTC 
    1. With the scan tool, record and erase all DTC's from all Airbag System Modules.
    2. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.
      WARNING:

      Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

    3. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
    4. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
    5. The following additional checks may assist you in identifying a possible intermittent problem.
    6. Reconnect any disconnected components and harness connector.
      WARNING:

      Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

    7. With the scan tool monitor active codes as you work through the following steps.
      WARNING:

      Maintain a safe distance from all airbags while performing the following steps. Failure to follow these instructions may result in possible serious or fatal injury.

    8. Wiggle the wiring harness and connectors of the related Can C Bus circuits or component.
    9. If only stored codes return continue the test until the problem area has been isolated.
    10. In the previous steps you have attempted to recreate the conditions responsible for setting active DTC in question.

      Are any ACTIVE DTC's present?

      Yes 

      No 

      • No problem found at this time. Erase all codes before returning vehicle to customer.