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.

Fig 1: Locating BMW Engine Diagnostic Connector Socket (4-Cylinder Shown)
G98G11284Courtesy of BMW OF NORTH AMERICA, INC.
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.