VDC-276
VDC (DIAGNOSTICS)
GENERAL DIAGNOSTIC TABLE
Vibration and/or
noise
• During abrupt
braking
• During rapid
acceleration
• During slip-
pery road driv-
ing
Excessive
brake pedal
vibration
Uneven road
Incorrect wiring or piping
VDCH/U
Proportioning valve
Brake booster
Suspension play or fatigue (reduced damping)
Noise from
VDCH/U
VDCH/U (mount bushing)
Faulty ABS sensor or sensor gap
Brake pipe
VDCCM
Faulty steering angle sensor or improper neutral
position
Faulty yaw rate and lateral G sensor or improper
installation
Noise from front
of vehicle
VDCH/U (mount bushing)
Faulty ABS sensor or sensor gap
Master cylinder
Brake caliper
Brake pads
Disc rotor
Brake pipe
Brake booster
Suspension play or fatigue (reduced
damping)
Axle & wheels
Tire specifications, wear and pressures
Noise inside
passenger
compartment
VDCCM
Faulty steering angle sensor or improper neutral
position
Faulty yaw rate and lateral G sensor or improper
installation
Noise from rear
of vehicle
Faulty ABS sensor or sensor gap
Brake caliper
Brake pads
Disc rotor
Parking brake
Brake pipe
Suspension play or fatigue (reduced
damping)
Axle & wheels
Tire specifications, wear and pressures
Engine does not accelerate or
engine stalls during rapid acceler-
ation or on slippery roads.
VDCH/U
VDCCM
Faulty ABS sensor or sensor gap
Master cylinder
Brake caliper
Parking brake
Incorrect wiring or piping
Faulty steering angle sensor or improper neutral
position
Faulty yaw rate and lateral G sensor or improper
installation
Brake pads
Brake pipe
Symptom
Primary probable cause
Secondary probable cause