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U0001-CAN C BUS CIRCUIT (CONTINUED) 2. ANTILOCK BRAKE MODULE — INTERNAL SHORT Turn the ignition off. Disconnect the Antilock Brake Module harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC’s. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC’s. Does the scan tool display U0001–CAN C BUS CIRCUIT as active? Yes >> Go To 3 No >> Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Antilock Brake Mod- ule in accordance with the service information. Perform ABS VERIFICATION TEST — VER 1. 3. POWERTRAIN CONTROL MODULE — INTERNAL SHORT Turn the ignition off. Disconnect the Powertrain Control Module C1 harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC’s. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC’s. Does the scan tool display U0001–CAN C BUS CIRCUIT as active? Yes >> Go To 4 No >> Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Pow- ertrain Control Module in accordance with the service information. Perform (NGC) POWERTRAIN VERIFICATION TEST VER - 5. 4. SHIFT LEVER ASSEMBLY (IF EQUIPPED) — INTERNAL SHORT Turn the ignition off. Disconnect the Shift Lever Assembly harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC’s. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC’s. Does the scan tool display U0001–CAN C BUS CIRCUIT as active? Yes >> Go To 5 No >> Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Shift Lever Assembly in accordance with the service information. Perform VERIFICATION TEST VER 1. 8E - 34 ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS WK |