Diagnostic Strategy — Automatic Transmission Diagnosis — Automatic Transmission - 6-Speed Automatic Transmission - 6R80 · Reference 8729

Fluid Level Check . INSPECT the torque converter hydraulic circuits and regulator valve for damage or wear. REFER to: Torque Converter Clutch (TCC) . Selector lever cable routed wrong, Other concerns Selector lever high effort binding or damaged. REFER to: External Controls . Damaged or worn seals. REFER External leaks to: Leakage Inspection . Engine drive accessories, suspension, CV joints, REFER Noise to: Noise, Vibration and Harshness (NVH) . Engine drive accessories, suspension, CV joints, Vibration transmission fluid cooler tubes, REFER to: Noise, Vibration and Harshness (NVH) . INSPECT the selector lever cable for correct adjustment. No park range REFER to: Selector Lever Cable Adjustment . INSPECT the manual control lever for damage, wear or correct installation. REFER to: Shift Solenoids (SS) . INSPECT the park pawl, park pawl actuator, for damage or wear. REFER to: Shift Solenoids (SS) . Transmission fluid cooling Overheating system damaged. REFER to: Transmission Cooling .

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DIAGNOSIS AND TESTING > DIAGNOSTIC STRATEGY > OVERVIEW

The diagnostic process for each transmission concern will vary depending on the symptoms and condition of the vehicle. The diagnostic process below is an efficient method to collect as much data as possible about the concern before performing a repair or removing the transmission from the vehicle for teardown and further inspection. Intermittent concerns and concerns that result in default or fail-safe operations can be difficult to diagnose.

DIAGNOSIS AND TESTING > DIAGNOSTIC STRATEGY > AUTOMATIC

TRANSMISSION DIAGNOSIS

Many transmission faults will set one or more DTCs in the PCM/ TCM. In some instances a group of

Ford_Mustang_all_2015-2017.pdf · source reference 8729

Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.