Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2011TAHOE BASE, 5.3 0, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 237 (AUTOMATIC TRANSMISSION - 4L80-E/4L85-E (SERVICE & REPLACEMENT))
2011 Chevrolet Tahoe Base, 5.3 0, 4WD
Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement))
2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement))
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Transmission Fluid Temperature (TFT) Sensor Specifications
- Fastener Tightening Specifications
- Transmission General Specifications
- Fluid Capacity Specifications
- Range Reference
- Shift Solenoid Valve State and Gear Ratio
- Shift Speed
- Transmission Range Switch Logic
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic
- Line Pressure
- Component Resistance
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Automatic Transmission
- Diagnostic System Check - Automatic Transmission
- Scan Tool Output Controls
- Transmission Scan Tool Data List
- Transmission Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) Type Definitions
- Diagnostic Trouble Code (DTC) List/Type
- DTC P0218: High TFT
- DTC P0502: Low Vehicle Speed And There Is A High Engine Speed In A Drive Gear Range
- DTC P0503: Low Vehicle Speed And There Is A High Engine Speed In A Drive Gear Range
- DTC P0706: Vehicle Speed In PARK Or NEUTRAL Range
- DTC P0711: TFT Sensor Resistance Has No Change, Or An Unrealistic Change In A Short Amount Of Time
- DTC P0712: Short To Ground In The TFT Sensor Or Signal Circuit
- DTC P0713: Continuous Open Or Short To Voltage In TFT Signal Circuit Or TFT Sensor
- DTC P0716: Large Change In The Input Speed, In A Very Short Period Of Time
- DTC P0717: Low Or No Input Speed During High Vehicle And High Engine Speeds
- DTC P0719: Open TCC Brake Switch Circuit During Accelerations
- DTC P0724: Closed TCC Brake Switch During Decelerations
- DTC P0730: Gear Ratio
- DTC P0741: High TCC Slip When The TCC Is Commanded ON
- DTC P0742: Low TCC Slip When The TCC Is Commanded OFF
- DTC P0748: PC Duty Cycle
- DTC P0751: Gear Range
- DTC P0752: Gear Ratio
- DTC P0753: Open Or Short In The 1-2 SS Valve Circuit Or The 1-2 SS Valve
- DTC P0756: Gear Ratio
- DTC P0757: Detected Non Third Gear Ratio While Third Gear Is Commanded
- DTC P0758: Open Or Short In The 2-3 SS Valve Circuit Or The 2-3 SS Valve
- DTC P0894: Excessive TCC Slip Speed In D4 OVERDRIVE, When The TCC Should Be Engaged
- DTC P1810: Invalid State Of The TFP Manual Valve Position Switch Circuit
- DTC P1860: Open Or Short In TCC PWM Solenoid Valve Circuit Or TCC PWM Solenoid Valve
- Symptoms - Automatic Transmission
- Range Selector Displays Incorrect Range
- Tow/Haul Switch/Indicator Always On or Inoperative
- Transmission Fluid Checking Procedure
- Line Pressure Check Procedure
- Road Test Procedure
- Torque Converter Diagnosis Procedure
- Flexplate/Torque Converter Vibration Test
- Noise and Vibration Analysis
- Clutch Plate Diagnosis
- Engine Coolant in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Shift Solenoid Leak Test
- Automatic Transmission Oil Cooler Flushing and Flow Test (J 35944-A)
- Automatic Transmission Oil Cooler Flushing and Flow Test (J 45096)
- Automatic Transmission Fluid Leaks
- High Line Pressure
- Forward Motion In Neutral
- Inadequate Lubrication at Low Line or Heavy Loads
- Inadequate Lubrication
- Engine Stall In Neutral
- Loss of Power
- No Torque in Reverse and Third
- Transmission Overheats
- Transmission Overheats at WOT
- Low Line Pressure
- Engine Starts in Gear
- Shift Lever Indicates Wrong Gear
- No Gear Selection
- Loss of Drive
- No Park
- Remains In Park
- Difficult to Shift Out of Park
- Does Not Stay In Park
- No Reverse
- No First Gear - D1
- No Second Gear - D1
- No Overrun Braking - D1
- No Engine Braking - D1
- No First Gear - D2
- No Second Gear - D2
- No Overrun Braking - D2
- No Engine Braking - D2
- No Second Gear Engine Braking - D2
- No First Gear - D3
- No Second Gear - D3
- No Third Gear - D3
- No Overrun Braking - D3
- No Engine Braking - D3
- No First Gear - D4
- First Gear Only - D4
- First and Second Gear Only - D4
- Second Gear Only - D4
- Second and Third Gear Only - D4
- First and Fourth Gear Only - D4
- Third and Fourth Gear Only - D4
- No Second Gear - D4
- No Third Gear - D4
- No Fourth Gear - D4
- No Torque Converter Clutch (TCC) Apply
- Soft Torque Converter Clutch (TCC) Apply
- Torque Converter Clutch (TCC) Slipping
- Torque Converter Clutch (TCC) Stuck On
- Incorrect Torque Converter Clutch (TCC) Apply or Release
- Converter Ballooning
- No Torque Multiplication
- Fluid Foaming
- Noise
- Engine Stall
- Vibration
- Oil Out the Vent Tube
- No Torque in Second Gear
- Second Gear Starts
- Third Gear Starts
- Fourth Gear Starts
- Erratic Shift Quality
- Transmission Slips
- Case Extension Bearing/Seal Failed
- Inaccurate Shift Points
- Harsh Shifts
- Harsh Shift D to R
- Harsh Shift 3 to 4
- Harsh Shift 4 to 3
- Harsh Shift D4 to D3, D2, or D1
- Soft Shifts
- Soft Shift Into R
- Soft Shift R to D
- Soft Shift 2 to 1
- Soft Shift 2 to 3
- Soft Shift 3 to 2
- Soft Shift D3 to D2
- Delayed Shift 1 to 2
- No D2 to D1
- No D3 to D2
- Repair Instructions
- Automatic Transmission Range Selector Cable Replacement
- Automatic Transmission Range Selector Cable Adjustment
- Park/Neutral Position Switch Replacement
- Park/Neutral Position Switch Adjustment
- Automatic Transmission Fluid/Filter Replacement
- Filler Tube and Seal Replacement
- Vehicle Speed Sensor (VSS) Replacement - Input
- Vehicle Speed Sensor (VSS) Replacement - Output
- Park Lock Pawl and Actuator Replacement
- Pressure Regulator Replacement
- Torque Converter Clutch (TCC) Valve and Spring Replacement
- Accumulator Housing Replacement
- Reverse Servo Replacement
- Transmission Oil Cooler Line Quick Connect Fitting
- Forward Servo Replacement
- Transmission Fluid Cooler Hose/Pipe Replacement
- Transmission Fluid Auxiliary Cooler Replacement
- Heat Shield Replacement
- Vent Hose
- Manual Shift Shaft Seal Replacement
- Valve Body and Pressure Switch Replacement
- Transmission Extension Housing Rear Oil Seal Replacement
- Transmission Extension Housing Assembly Replacement
- Transmission Mount Replacement
- Transmission Replacement
- Description and Operation
- Transmission General Information
- Transmission Identification Information
- Definitions and Abbreviations
- Transmission General Description
- Transmission Component and System Description
- Transmission Adaptive Functions
- Electronic Component Description
- Torque Converter Clutch Solenoid Valve
- Transmission Pressure Control Solenoid Valve - Force Motor
- Shift Solenoid Valve
- 2-3 Shift Solenoid Valve
- Automatic Transmission Fluid Pressure Manual Valve Position Switch Assembly
- Oil Pressure and Circuit Combination Table
- Automatic Transmission Input Shaft Speed, Output Shaft Speed Sensors
- Automatic Transmission Fluid Temperature Sensor Assembly
- Transmission Range Switch
- Automatic Transmission Inline 20-Way Connector Description
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.