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.
Automatic Transmissions - Electronic Controls EGS 1.0
1992 BMW 735iLSECTION Automatic Transmissions - Electronic Controls EGS 1.0
- Description & Operation
- Component Locations
- Programming
- Self-Diagnostic System
- Diagnostic Tests
- DTC 3: KICKDOWN Switch
- DTC 4: Program Switch
- DTC 5: Throttle Valve Signal
- DTC 6: Solenoid Valve MV1
- DTC 7: Solenoid Valve MV2
- DTC 8: Solenoid Valve MV1, Solenoid Valve MV2
- DTC 9: Solenoid Valve MV R-Inhibit
- DTC 10: Solenoid Valve MV1, Solenoid Valve MV R-Inhibit
- DTC 11: Solenoid Valve MV2, Solenoid Valve MV R-Inhibit
- DTC 12: Solenoid Valve MV1, Solenoid Valve MV2, Solenoid Valve MV R-Inhibit
- DTC 13: Solenoid Valve Torque Converter Clutch Unit
- DTC 14: Solenoid Valve MV1, Solenoid Valve Torque Converter Clutch Unit MV Wk
- DTC 15: Solenoid Valve MV 2, Solenoid Valve Torque Converter Clutch Unit
- DTC 16: Solenoid Valve MV1, Solenoid Valve MV2, Solenoid Valve Torque Converter Clutch
- DTC 17: Solenoid Valve MV R-Inhibit, Solenoid Valve Torque Converter Clutch Unit
- DTC 18: Solenoid Valve MV1, Solenoid Valve MV R-Inhibit, Solenoid Valve Torque Converter Clutch Unit
- DTC 19: Solenoid Valve MV2, Solenoid Valve MV R-Inhibit, Solenoid Valve Torque Converter Clutch Unit
- DTC 20: Voltage Supply For Solenoid Valve & Pressure Regulator
- DTC 21: Engine Speed Signal Tr
- DTC 22: Pressure Regulator
- DTC 23: Ignition Angle
- DTC 24: Speed Sensor N-Ab
- DTC 25: OVERREV Protection
- DTC 26: Injection Signal Ti
- DTC 27: Speed Sensor Or Torque Converter
- DTC 30: No KICKDOWN Functions Performed
- DTC 31: Only KICKDOWN Functions Are Performed
- DTC 32: S Program Cannot Be Selected
- DTC 33: M Program Cannot Be Selected
- DTC 34: Program Switchover Is Not Possible (Only E Program)
- DTC 35: Only Full Load Functions Are Performed
- DTC 36: Shifting Is Jerky (Shift Impact)
- DTC 37: Despite Normal Operation, Message "Transmission" Appears On Instrument Panel
- DTC 40: Diagnostic Line TXD Has A Break Or Short To Battery Or A Short To Ground
- DTC 41: Diagnostic Line RXD Has A Break Or Short To Battery Or A Short To Ground
- DTC 42: Power Supply To AEGS Control Unit Pin No. 34 Is Interrupted
- DTC 43: Selector Lever Is Not In Position P Or N
- DTC 44: Selector Lever Position Cannot Be Detected By AEGS Control Unit
- Component Tests
- Removal & Installation
- Connector Identification
- Pin Voltage Tests
- Wiring Diagrams
RENDER: 1.0x
NO RELATED
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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.