GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
1999
🢒
Catera
🢒
Transmission/Transaxle
🢒 Automatic Transmission - 4L30-E
Transmission/Transaxle
All Component Locator
Automatic Transmission Components
Automatic Transmission Electronic Component Views
Automatic Transmission Internal Connector End Views
Transmission Component Location
All Description and Operation
Brake Transmission Shift Interlock Operation
Electronic Component Description
Limp Home Mode Description
Sport/Economy Mode Operation
Transmission General Information
Winter Mode Operation
All Special Tools and Equipment
Special Tools
All Visual Identification
Automatic Transmission Inline Harness Connector End View
Transmission Identification Information
Cleaning, Inspection, and Adjustment
Do Not Use Air Tools
Fluid Level Information
Parts Cleaning, Inspection and Replacement
Transmission Fluid Check
Diagnostic Procedures
Automatic Transmission Overheating and Fluid Leaking from Ventilation
Cannot Release Torque Converter Clutch
Clutch Plate Diagnosis
Coarse Shifting from N to D
Delay in Shifting from N to D
Difficulty in Shifting Between 1-2 Gear
Difficulty in Shifting Between 2-3 Gear
Difficulty in Shifting Between 3-4 Gear
Drives with Selector Lever in Position N
Engine Coolant/Water in Transmission
Engine Will Not Start
Flex Plate/Torque Converter Vibration Test
Fluid Leak Diagnosis
Fluid Leak Diagnosis and Repair
Functional Test
Line Pressure Check
No 1-2 Upshift
No 2-3 Upshift
No 3-4 Upshift
No Downshift Possible
No Engagement of Torque Converter Clutch
No Engine Braking
No Kickdown Program
No Reverse Gear
No Sport Program
No Winter Program
Noise and Vibration Analysis
On-Board Diagnostic System Check
Poor Acceleration
Preliminary Checks
Rattling in Torque Converter Clutch
Rattling Noises in the Transmission
Rear Wheels Locked
Road Test
Selector Position P Will Not Engage
Service Transmission Lamp Diagnosis
Shift Solenoid Leak Test
Slips or Shudders in First Gear
Sport Mode Switch/Indicator Always On or Inoperative
Symptom Diagnosis
Torque Converter Diagnosis
Transmission Fluid Check
Transmission Fluid Cooler Flushing and Flow Test
Vibration in Second Gear
Winter Mode Switch/Indicator Always On or Inoperative
Diagnostic Trouble Codes
DTC P0218 Transmission Fluid Overtemperature
DTC P0560 System Voltage High/Low
DTC P0601 TCM Memory ROM
DTC P0602 TCM Not Programmed
DTC P0703 Brake Switch Circuit Malfunction
DTC P0705 Trans Range Switch Circuit
DTC P0706 Trans Range Switch Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0722 Output Speed Sensor Circuit Low Input
DTC P0725 Engine Speed Input Circuit
DTC P0727 Engine Speed Circuit No Signal
DTC P0730 Incorrect Gear Ratio
DTC P0742 TCC System Stuck On
DTC P0743 TCC Enable Solenoid Circuit Electrical
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2/3-4 Shift Solenoid Valve Stuck Off
DTC P0752 1-2/3-4 Shift Solenoid Valve Stuck On
DTC P0753 1-2/3-4 Shift Solenoid Circuit Electrical
DTC P0756 2-3 Shift Solenoid Valve Stuck Off
DTC P0757 2-3 Shift Solenoid Valve Stuck On
DTC P0758 2-3 Shift Solenoid Circuit Electrical
DTC P1600 TCM Internal Watchdog Operation
DTC P1621 TCM Long Term Memory Performance
DTC P1625 TCM Power Control Relay Circuit Shorted
DTC P1740 Torque Reduction Signal Circuit
DTC P1760 TCM Supply Voltage Interrupted
DTC P1781 Engine Torque Signal Circuit
DTC P1792 ECM to TCM Engine Coolant Signal
DTC P1800 TCM Power Relay Control Circuit
DTC P1835 Kick-Down Switch Circuit
DTC P1850 Brake Band Apply Solenoid Circuit
DTC P1870 Transmission Component Slipping
DTC P1890 Throttle Position Signal Input
DTC U2100 CAN Bus OFF
DTC U2104 CAN Bus Reset Counter Overrun
DTC U2105 CAN Bus Error ECM
DTC U2108 CAN Bus Error ABS
Disassembly, Overhaul, Repair, and Assembly
Case Porosity Repair
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
Automatic Transmission Schematic Icons
Automatic Transmission Schematic References
Electrical/Electronic Specifications
Diagnostic Trouble Code Identification
Scan Tool Data Definitions
Temperature Versus Resistance
Transmission Scan Tool Data Values
General Diagnostic Information
Automatic Transmission Wiring Harness Check
General Information
Definitions and Abbreviations
Transmission Component and System Description
Transmission General Description
Mechanical Specifications
Fastener Tightening Specifications
Fluid Capacity Specifications
Range Reference
Shift Solenoid Valve State and Gear Ratio
Transmission General Specifications
Other Specifications
Component Resistance
Line Pressure
Shift Speed
Transmission Range Switch Logic
Removal, Installation, and Replacement
1-2,3-4 Shift Solenoid Valve Replacement
2-3 Shift Solenoid Valve Replacement
Band Control Solenoid Replacement
Case Extension and Gasket Replacement
Changing Fluid and Oil Filter
Control Valve Body
Converter Clutch Solenoid
Drive Flange and Seal Replacement
Manual Shift Shaft Position Switch Replacement
Oil Cooler Pipes Replacement
Shift Control Lever Replacement
Shift Control Linkage Adjustment
Shift Control Linkage Replacement
Torque Converter Replacement
Transmission Control Module Replacement
Transmission Mount
Transmission Replacement
Vehicle Speed Sensor