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7A1–52 TRANSMISSION CONTROL SYSTEM (4L30–E) DTC P0723/Flashing Code 79 Transmission Output Speed Sensor (OSS) Step No Yes Action 15 Repair the short to B+ in circuit YEL. Is the repair complete? Go to Step 17 — 16 Replace the PCM. Refer to Powertrain Control Module (PCM) in Is the replacement complete? Go to Step 17 — 17 1. After the repair is complete, use the scan tool to select “DTC”, then “Clear Info” function and operate the vehicle under the 2. Review the scan tool “DTC Info”. Has the last test failed or is the current DTC displayed? Begin diagnosis again Go to Step 1 Repair verified |