Automatic Transmission - 5R55
- Specifications
- Description And Operation
- Transmission Description
- Identification Tags
- Range Selection
- Shift Patterns
- Torque Converter
- Geartrain
- Apply Components
- Hydraulic System
- Transmission Electronic Control System
- Electronic System Description
- Powertrain Control Module (PCM)
- Air Conditioning (A/C) Clutch
- Brake Pedal Position (BPP) Switch
- Engine Coolant Temperature (ECT) Sensor
- Electronic Ignition (EI) System
- Intake Air Temperature (IAT) Sensor
- Mass Air Flow (MAF) Sensor
- Transmission Control (TC) Switch
- Transmission Control Indicator Lamp (TCIL)
- Throttle Position (TP) Sensor
- Accelerator Pedal Position (APP) Sensor
- Digital Transmission Range (TR) Sensor
- Turbine Shaft Speed (TSS) Sensor
- Output Shaft Speed (OSS) Sensor
- Intermediate Shaft Speed Sensor
- Pressure Control Solenoids (PCA, PCB, PCC)
- Torque Converter Clutch (TCC) Solenoid
- Shift Solenoids - (SSA, SSB, SSC, SSD)
- Transmission Fluid Temperature (TFT) Sensor
- Diagnosis And Testing
- Preliminary Inspection
- Road Testing Vehicle
- Shift Point Road Test
- Torque Converter Diagnosis
- Visual Inspection
- Diagnostics
- Output State Control (OSC) Mode
- Notes
- OSC Procedures
- OSC - Transmission Bench Modes
- SSA, SSB, SSC, SSD and TCC in Bench Mode
- Bench Mode Procedure for SSA, SSB, SSC, SSD and TCC
- PCA, PCB, PCC in Bench Mode
- Bench Mode Procedure for PCx
- OSC - Transmission Drive Modes
- GEAR in Drive Mode
- Drive Mode Procedure for GEAR
- TCC in Drive Mode
- Drive Mode Procedures for TCC
- FIRM SFT in Drive Mode
- Transmission Drive Cycle Test
- Diagnostic Trouble Code (DTC) Charts
- Transmission Connector Layouts
- Pinpoint Tests - OSC Equipped Vehicle
- Notes
- Shift Solenoid Pre-Diagnosis
- Shift Solenoid Failure Mode Chart
- Pinpoint Tests
- Pinpoint Test A: Shift And Torque Converter Clutch Solenoids
- Pinpoint Test B: Transmission Fluid Temperature (TFT) Sensor
- Pinpoint Test C: Digital Transmission Range (Tr) Sensor
- Pinpoint Test D: Pressure Control (Pc) Solenoids (PCA, PCB, PCC)
- Pinpoint Test E: Turbine Shaft Speed (TSS), Intermediate Shaft Speed And Output Shaft Speed (OSS) Sensors
- Pinpoint Test F: Solenoid Mechanical Failure
- Special Testing Procedures
- Leakage Inspection
- Transmission Fluid Cooler
- Diagnosis By Symptom
- Notes
- Diagnosis by Symptom Index - Directions
- Diagnosis by Symptom Index
- Diagnostic Routines
- Engagement Concern: No Forward In (D) Only
- Engagement Concern: No Forward
- Engagement Concern: No Reverse
- Engagement Concern: Harsh Reverse Only
- Engagement Concern: Harsh Forward Only
- Engagement Concern: Harsh Manual 1St Gear Only
- Engagement Concern: Delayed Or Soft Reverse Only
- Engagement Concern: Delayed/Soft Forward Only
- Engagement Concern: No Forward And No Reverse
- Engagement Concern: Harsh Forward And Harsh Reverse
- Engagement Concern: Delayed Forward And Delayed Reverse
- Shift Concern: Some/All Shifts Missing (Automatic Mode Only)
- Shift Concern: Timing Concerns - Early/Late
- Shift Concern: Timing Concerns - Erratic/Hunting (Some/All)
- Engagement Concern: Feel - Soft/Slipping (Some/All)
- Shift Concern: Feel - Harsh (Some/All)
- Shift Concern: No 1St Gear In Drive, Engages In A Higher Gear
- Engagement Concern: No 1St Gear In Manual 1 Position
- Shift Concern: No 2Nd Gear In Manual 2 Position
- Torque Converter Operation Concerns: Does Not Apply
- Torque Converter Operation Concern: Always Applied/Stalls Vehicle
- Torque Converter Operation Concern: Cycling/Shudder/Chatter
- Other Concerns: Shift Lever Efforts High
- Other Concerns: External Leaks
- Other Concern: Noise/Vibration - Forward Or Reverse
- Other Concern: Engine Will Not Crank
- Other Concern: No Park Range
- Other Concern: Transmission Overheating
- Other Concern: No Engine Braking In Manual 3Rd Position
- Other Concern: No Engine Braking In Manual 4Th (D) Position
- Other Concerns: No Engine Braking In Manual 2Nd Position
- Other Concern: No Engine Braking In Manual 1St Position
- Other Concerns: Fluid Venting/Foaming
- Other Concern: Vehicle Movement With Gear Selector In "N" Position
- Other Concern: Slips/Chatters In Manual 1St Position
- Other Concern: Slips/Chatters In Manual 2Nd Position
- Other Concern: Slip/Chatters In Manual 3Rd Position
- Other Concern: Engine Braking In All Gears
- Other Concern: No 2ND And 5TH Gears (Manual 2ND Is Ok)
- Other Concern: No 3Rd, 4Th And 5Th Gears
- Shift Concern: Harsh 1-2 Shift
- Shift Concerns: Harsh 2-3 Shift
- Shift Concern: Harsh 3-4 Shift
- Shift Concerns:Harsh 4-5 Shift
- Shift Concern: Harsh 5-4 Shift
- Shift Concern: Harsh 4-3 Shift
- Shift Concern: Harsh 3-2 Shift
- Shift Concern: Harsh 2-1 Shift
- Shift Concern: No 1-2 Shift
- Shift Concern: No 2-3 Shift
- Shift Concern: No 3-4 Shift
- Shift Concern: No 4-5 Shift
- Shift Concern: No 5-4 Shift
- Shift Concerns: No 4-3 Shift
- Shift Concern: No 3-2 Shift
- Shift Concern: No 2-1 Shift
- Shift Concern: Soft/Slipping 1-2 Shift
- Shift Concern: Soft/Slipping 2-3 Shift
- Shift Concern: Soft/Slipping 3-4 Shift
- Shift Concern: Soft/Slipping 4-5 Shift
- Shift Concern: Feel - Soft/Slipping 5-4 Shift
- Shift Concern: Feel - Soft/Slipping 4-3 Shift
- Shift Concern: Soft/Slipping 3-2 Shift
- Shift Concern: Feel - Soft/Slipping 2-1 Shift
- General Procedures
- Transmission Fluid Level Check
- Transmission Fluid Drain and Refill - Automated Equipment
- Transmission Fluid Drain and Refill - Without Torque Converter Drain Plug
- Transmission Fluid Cooler Backflushing and Cleaning
- Transmission Range (TR) Sensor Adjustment
- Torque Converter
- Torque Converter Contamination Inspection
- In-Vehicle Repair
- Fluid Pan, Gasket and Filter
- Transmission Filter - In Line
- Main Control Valve Body
- Extension Housing Seal - Rear Wheel Drive (RWD)
- Extension Housing Seal - Four Wheel Drive (4WD)
- Extension Housing Gasket - Rear Wheel Drive (RWD)
- Extension Housing Gasket - Four Wheel Drive (4WD)
- Solenoid Body Assembly
- Digital Transmission Range (TR) Sensor
- Transmission Support Insulator - Rear Wheel Drive (RWD)
- Transmission Support Insulator - Four Wheel Drive (4WD)
- Turbine Shaft Speed (TSS) Sensor
- Output Shaft Speed (OSS) Sensor
- Intermediate Shaft Speed Sensor
- Removal
- Disassembly
- Disassembly And Assembly Of Subassemblies
- Assembly
- Installation