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Symptom: CAN BUS CIRCUIT POSSIBLE CAUSES CAN COMMUNICATION FAILURE CAN BUS (+) OR (-) OPEN SHIFT LEVER ASSEMBLY TEST ACTION APPLICABILITY 1 With the DRBIII t, read the stored and active DTCs for all modules on the CAN bus. Are other modules reporting CAN bus DTCs? All Yes → Refer to the reporting category and perform the appropriate symptom. If the ECM is reporting a CAN bus failure, refer to its No → Go To 2 2 Turn the ignition off to the lock position. All Yes → Repair the CAN bus (+) and/or (-) circuits for an open. No → Replace the Shift Lever Assembly per the Service Information. 17 SHIFT LEVER ASSEMBLY |