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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-15 1. Gather as much information as possible about the complaint from the customer. 2. Verify that the condition described by the customer exists. 3. Check the vehicle for any A/T Diagnostic Trouble Code (DTC). 4. If you cannot verify the condition and there are no DTC, the malfunction is intermittent. For − How to Cope with Intermittent Malfunction . 5. If you can verify the condition but there are no DTC, or the system cannot communicate with the 6. If there is a DTC, record the number of the code, then erase the code from memory using the scan 7. Reconfirm the symptom using the Road Test. 8. If DTC is set again, go to Inspection Chart for Diagnostic Trouble Codes. 9. If DTC is not set again, the malfunction is intermittent. For information on how to cope with − How to Cope with Intermittent Malfunction 10.After repairs are completed, conduct a Road Test duplicating the complaint set conditions to confirm A/T DIAGNOSTIC TROUBLE CODE DIAGNOSIS M1231007700068 CHECK "N" RANGE LIGHT <VEHICLES WITH The "N" range light flashes once per second if there is an "N" range light flashing items CAUTION If the "N" range light is flashing twice per second, it means ON-BOARD DIAGNOSTICS The powertrain control module (PCM) monitors its "LOCK" (OFF). Diagnostic trouble codes will, NOTE: If a sensor is disconnected with the ignition Input shaft speed sensor Output shaft speed sensor Each solenoid valve Gear incorrect ratio A/T control relay system AC001816 |