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AUTOMATIC TRANSMISSION DIAGNOSIS TSB Revision AUTOMATIC TRANSMISSION 23A-345 STEP 6. Replace the transmission oil pump. Replace the transmission oil pump (Oil pump cannot be . Con- firm that the malfunction symptom is eliminated. YES : The procedure is complete. STEP 7. Replace the PCM. in the "P" or "N" position? INSPECTION PROCEDURE 2: Does not Move Forward . COMMENT . TROUBLESHOOTING HINTS (The most likely • Abnormal line pressure • Malfunction of the underdrive solenoid valve • Malfunction of the underdrive clutch • Malfunction of the valve body • Malfunction of the PCM AC103774 OIL PUMP AF |