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7A1–64 TRANSMISSION CONTROL SYSTEM (4L30–E) DTC P0758/Flashing Code 84 Shift Solenoid B Electrical (Cont’d) Step No Yes Action 21 The wiring harness between PCM connector terminal C3–E14 Was a problem found and corrected? Go to Step 25 — 22 The wiring harness between transmission 16–way connector Was a problem found and corrected? Go to Step 25 — 23 The internal wiring harness from the shift solenoid B is open, or Was a problem found and corrected? Go to Step 25 — 24 Replace the PCM. Is the replacement complete? Go to Step 25 — 25 1. After the repair is complete, use the scan tool to select “DTC”, then “Clear Info” function and operate the vehicle under the D The shift solenoid B is commanded “on” and voltage drops to D The shift solenoid B is commanded “off” and voltage 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 |