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DTC P0601: PCM INTERNAL CONTROLLER FAILURE Dodge Cab & Chassis R2500

Note. For circuit identification and wiring diagram, see WIRING DIAGRAMS article. If Powertrain Control Module (PCM) is replaced, PCM must be reprogrammed. See PROGRAMMING . After each repair procedure has been completed, reconnect all components. Perform POWERTRAIN VERIFICATION TEST VER-2 under VERIFICATION TESTS to ensure system is functioning properly.

Turn ignition on. Using scan tool, check for DTCs. If DTC P0601: PCM INTERNAL CONTROLLER FAILURE does not exist, no problem is indicated at this time. Test is complete. If DTC P0601: PCM INTERNAL CONTROLLER FAILURE exists, replace PCM. PCM is located in right rear corner of engine compartment. (Схема №2)