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 MANUALSBMW1992325IS AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSELECTRONIC TRANSMISSION CONTROL
1992 BMW 325is Automatic
Electronic Transmission Control
1992 BMW 325is AutomaticSECTION Electronic Transmission Control
- Description & Operation
- Component Locations
- Self-Diagnostic System
- Diagnostic Tests
- DTC 1: Lifting Solenoid P/N Shift-Lock
- DTC 2: Program Button
- DTC 4: Engine Intervention
- DTC 9: KVA Signal
- DTC 11: Speed Signal N-Mot (Tr)
- DTC 20: Speed Signal N-Ab
- DTC 22: Oil Sump Temperature Sensor
- DTC 23: Selector Lever Position
- DTC 28: Battery Voltage Supply
- DTC 30: Kick-Down Switch
- DTC 37: Battery Voltage Supply
- DTC 38: Solenoid Valve Converter Clutch
- DTC 40: Pressure Regulator
- DTC 43: Solenoid Valve 2
- DTC 45: Solenoid Valve Band
- DTC 48: Solenoid Valve 1
- DTC 54: Selector Lever Position
- DTC 55: Throttle Signal
- DTC 100: Gear Monitoring
- DTC 101: Downshift Protection
- DTC 102: OVERREV Protection
- DTC 103: Checksum EPROM
- DTC 104: Temperature Information (DKT Signal)
- DTC 105: Load Information (DKT Signal)
- DTC 200: No Kick-Down Shifts
- DTC 201: No S-Program
- DTC 202: No M-Program
- DTC 203: No Program Switchover/No Display E-Program
- DTC 204: No Engine Intervention (E36)
- DTC 204: No Display M-Program (E34)
- DTC 205: Adaptation Air Conditioning System Defective (E36)
- DTC 205: No Program Switchover (E34)
- DTC 206: Detection Brake Light Switch & Brake Light Test Switch Defective (E36)
- DTC 206: No Engine Intervention (E34)
- DTC 207: Incorrect Fault Display (E36)
- DTC 207: A/C System Adaptation Defective (E34)
- DTC 208: Brake Light Switch Detection Defective
- DTC 209: Incorrect Fault Display
- DTC 300: Diagnostic Link Defective
- DTC 301: Control Unit Voltage Supply Defective
- Component Tests
- Pin Voltage Charts
- Wiring Diagrams
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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.