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Home >> Jeep >> 2009 >> Wrangler X, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0882-TCM Power Input Low >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK IF THE DTC P0882 IS CURRENT 
    1. With the scan tool, Check the Starts Since Set counter for P0882.
      NOTE: This counter only applies to the last DTC set.

      Is the Starts Since Set counter equal to 0?

      Yes 

      • Go to step  2

      No 

      • Go to step  5
  2. CHECK FOR TIPM RELATED DTCS 
    1. With the scan tool, check TIPM DTCs.

      Are there any TCM TIPM DTCs present?

      Yes 

      No 

      • Go to step  3
  3. CHECK THE (T15) TRANSMISSION CONTROL CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Checking Transmission Control Circuit
    GC0090538Courtesy of CHRYSLER LLC
    1. Turn the ignition off to the lock position.
    2. Disconnect the PCM C4 harness connector and connect the PCM Pinout Box 8815.
      CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the PCM Pinout Box 8815 to perform diagnosis.
    3. Disconnect the TIPM C1 harness connector.
    4. Measure the resistance between ground and the (T15) Transmission Control circuit.

      Is the resistance below 5.0 Ohms?

      Yes 

      No 

      • Go to step  4
  4. CHECK THE (T15) TRANSMISSION CONTROL CIRCUIT FOR AN OPEN 
    Fig 2: Checking Transmission Control Circuit
    GC0090539Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (T15) Transmission Control circuit between the TIPM C1 harness connector and the appropriate terminal of the PCM Pinout Box 8815.

      Is the resistance above 5.0 Ohms?

      Yes 

      No 

      • Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn
      • Perform the 545RFE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
  5. CHECK THE WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle the wires while checking for shorted and open circuits.
    4. With the scan tool, check the Event Data to help identify the conditions in which the DTC was set.

      Where there any problems found?

      Yes 

      No 

      • Test Complete.