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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSBMW1999328I 2D CONVERTIBLE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKES/TRACTION CONTROL - DIAGNOSIS & REPAIR (E36)DIAGNOSIS & TESTINGRETRIEVING CODES
1999 BMW 328i 2D Convertible, Automatic
Retrieving Codes
1999 BMW 328i 2D Convertible, AutomaticSECTION Retrieving Codes
Use BMW scan tool connected to diagnostic connector to retrieve ABS diagnostic trouble codes. See Fig 1 . See DIAGNOSTIC TROUBLE CODESΒ table.
DIAGNOSTIC TROUBLE CODES
| DTC | Possible Cause | Diagnosis |
|---|---|---|
| 17 | Front Left Inlet Valve Faulty | See Figure . |
| 18 | Front Left Outlet Valve Faulty | See Figure . |
| 20 | Front Right Inlet Valve Faulty | See Figure . |
| 24 | Front Right Outlet Valve Faulty | See Figure . |
| 33 | Rear Axle Inlet Valve Faulty | See Figure . |
| 34 | Rear Axle Outlet Valve Faulty | See Figure . |
| 68 | Microprocessor In Control Unit Faulty Or Defective | See Figure . |
| 72 | Internal Defect In Control Unit | See Figure . |
| 81 | Front Left Speed Sensor Not Connected Or Faulty | See Figure . |
| 82 | Front Right Speed Sensor Not Connected Or Faulty | See Figure . |
| 84 | Rear Left Speed Sensor Not Connected Or Faulty | See Figure . |
| 88 | Rear Right Speed Sensor Not Connected Or Faulty | See Figure . |
| 97 | Front Left Speed Signal Not Plausible | See Figure . |
| 98 | Front Right Speed Signal Not Plausible |
See Figure . |
| 100 | Rear Left Speed Signal Not Plausible | See Figure . |
| 104 | Rear Right Speed Signal Not Plausible | See Figure . |
| 113 | Front Left Speed Information Not Detected | See Figure . |
| 114 | Front Right Speed Information Not Detected | See Figure . |
| 116 | Rear Left Speed Information Not Detected | See Figure . |
| 120 | Rear Right Speed Information Not Detected | See Figure . |
| 132 | Speed Position Sensor Signal Faulty Or Not Connected | See Figure . |
| 136 | Serious Defect In Brake Hydraulic System | See Figure . |
| 145 | Pump Not Operating | See Figure . |
| 152 | Warning Brake Hydraulic/Pedal Position Sensor Defective | See Figure . |
| 161 | Front Left Outlet Valve Malfunction | See Figure . |
| 162 | Front Right Outlet Valve Malfunction | See Figure . |
| 164 | Rear Axle Outlet Valve Malfunction | See Figure . |
| 255 | Access To Memory In Control Unit Defective | See Figure . |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.