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TRANSMISSION CONTROL SYSTEM (4L30–E) 7A1–59 DTC P0730 Gear Error Without Input Speed (Cont’d) Step No Yes Action 5 Perform line pressure check. D Refer to Line Pressure Test in Automatic Transmission Was condition found and corrected? Go to Step 7 Go to Step 6 6 Check for possible clutch slippage. D Refer to Chart 6: Diagnostic Trouble Code (DTC) P0730 of Was condition found and corrected? Go to Step 7 — 7 1. After the repair is complete, use the scan tool to select “DTC”, then “Clear info” function. 2. Operate the vehicle under the following conditions: D Drive the vehicle in D4 with the engine speed greater than 1st 1:2.73 – 1:2.99 2nd 1:1.54 – 1:1.71 3rd 1:0.93 – 1:1.05 4th 1:0.66 – 1:0.78 Has the last test failed? Begin diagnosis again Go to Step 1 Repair verified |