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P0605-INTERNAL CONTROL MODULE ROM For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes POWER OR GROUND CIRCUIT POWERTRAIN CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation After the controller is reset (ignition turned to the RUN position) the microprocessor checks the integrity of the pro- Diagnostic Test 1. CHECK WIRING AND CONNECTORS FOR INTERMITTENT OPERATION Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or NOTE: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of Check for any Service Bulletins that may apply. Were there any problems found? Yes >> Repair the power and/or ground circuits as necessary. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Replace the PCM per the Service Information. With the scan tool, perform QUICK LEARN. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. HB AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS 21 - 365 |