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Home >> Jeep >> 2016 >> Compass Sport SE, 2.0L Eng VIN A >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Totally Integrated Power Module (TIPM) - DTCS B222C To U1108 >> DTC Troubleshooting >> P1278-Starter Control Circuit 2 High >> Diagnostic Test

Diagnostic Test

  1. DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 
    NOTE:

    If P0615, P0616 or P0617 has set along with this DTC, diagnose those DTCs first before continuing.

    1. Turn the Ignition on, engine not running.
    2. Using the scan tool, select View DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go To  2

      No 

  2. STARTER CONTROL OUTPUT VERIFICATION 
    Fig 1: Measuring Voltage Of Starter Control Output Circuit In TIPM Harness Connector
    GC0100271Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect TIPM C10 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage of the (T750) Starter Control Output circuit in the TIPM C10 harness connector.

      Is there any voltage present?

      Yes 

      • Go To  3

      No 

      • Go To  4
  3. (T750) STARTER CONTROL OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE 
    Fig 2: Measuring Voltage Of Starter Control Output Circuit In TIPM Harness Connector
    GC0100271Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off
    2. Disconnect the Starter (1-way) harness connector.
    3. Turn the ignition on.
    4. Measure the voltage between ground and the (T750) Starter Control Output circuit in the TIPM C10 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the short to voltage in the (T750) Starter Control Output circuit.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Replace the Starter in accordance with the Service information.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  4. TOTALLY INTEGRATED POWER MODULE 
    NOTE:

    Before continuing, check the TIPM harness connector terminals for corrosion, damage or terminal push out. Repair as necessary.

    1. Using the schematics as a guide, inspect the wire harness and connectors.
    2. Pay particular attention to all Power and Ground circuits.

      Were any problems found?

      Yes 

      No