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• When Monitored: • Set Condition: Possible Causes INPUT OR OUTPUT SPEED SENSOR TRANSMISSION RANGE SENSOR TRANSMISSION CONTROL MODULE TOTALLY INTEGRATED POWER MODULE (TIPM) Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - Diagnostic Test 1. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. With a scan tool, read TIPM DTCs. Is the DTC active at this time? Yes >> Go To 2 No >> Go To 4 2. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. With a scan tool, read Transmission DTCs. Are there any Input or Output Speed Sensor or Transmission Range Sensor (TRS) DTCs present? Yes >> Refer to the Transmission category and perform the appropriate symptom(s). Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - No >> Go To 3 3. CHECK THE TCM Disconnect the amp meter from the TIPM C10 harness connector and battery positive. Disconnect the TCM C1 harness connector. Connect the positive probe of an ammeter to battery positive and connect the negative probe to the (T16) Trans- Read the amperage on the ammeter. Does the amperage read below 2.0 amps? Yes >> Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - No >> Replace the Totally Integrated Control Module per the Service Information. Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - PM AUTOMATIC - CVT-ELECTRICAL DIAGNOSTICS 21 - 119 |