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DTC P0153: 2/1 O2 SENSOR SLOW RESPONSE Dodge Cab & Chassis R3500

Note. This test only applies to 5.9L heavy-duty, 8.0L and Calif. emission vehicles with 5.2L or 5.9L light-duty. 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-5 under VERIFICATION TESTS to ensure system is functioning properly.