Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSJEEP2009WRANGLER X, AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANS(TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGP0883-TCM POWER INPUT HIGHDIAGNOSTIC TEST

2009 Jeep Wrangler X, Automatic

Diagnostic Test

2009 Jeep Wrangler X, AutomaticSECTION Diagnostic Test

CHECK FOR TCM TIPM DTCS
1. With the scan tool, read DTCs.
  Are there any TIPM TCM Power Control Circuit DTCS present?
  
  Yes
  - Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing and perform the appropriate diagnostic procedure.
  No
  - Go to step 2
CHECK TO SEE IF DTC P0883 IS CURRENT
1. With the scan tool, check the Starts Since Set counter.
  NOTE: This counter only applies to the last DTC set.
  
  Is the Starts Since Set counter set to 0?
  
  Yes
  - Go to step 3
  No
  - Go to step 6
(T16) TRANSMISSION OUTPUT CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking Transmission Solenoid/TRS Assembly Control Output Circuits
Courtesy 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.
3. Disconnect the TIPM C10 harness connector.
  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.
4. Ignition on, engine not running.
5. Measure the voltage of the (T16) Transmission Control Output circuits in the PCM Pinout Box 8815.
  Is the voltage above 0.5 of a volt on any (T16) Transmission Control Output circuit?
  
  Yes
  - Go to step 4
  No
  - Go to step 5
CHECK THE TRANSMISSION SOLENOID/TRS ASSEMBLY

Fig 2: Checking Transmission Solenoid/TRS Assembly Control Output Circuits
Courtesy of CHRYSLER LLC
1. Turn the ignition off to the lock position.
2. Disconnect the Transmission Solenoid/TRS Assembly harness connector.
3. Ignition on, engine not running.
4. Measure the voltage of the (T16) Transmission Control Output circuits in the PCM Pinout Box 8815.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T16) Transmission Control Output circuit for a short to voltage.
  - Perform the 545RFE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
  No
  - Replace the Transmission Solenoid/TRS Assembly in accordance with the Service Information.
  - Perform the 545RFE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
CHECK THE (T515) TRANSMISSION CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Fig 3: Checking Transmission Control Circuit
Courtesy of CHRYSLER LLC
1. Measure the voltage of the (T515) Transmission Control circuit.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T515) Transmission Control circuit for a short to voltage.
  - Perform the 545RFE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
  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 .
CHECK 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
  - Repair as necessary.
  - Perform the 545RFE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
  No
  - Test Complete.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.