Skoda OCTAVIA 2004 Workshop Manual page 29

OCTAV1A
Readout on V.A.G 1552
Fault number
old new
For vehicles
08.97 ä
18259 18057
Data bus drive
Missing messa-
ge from ABS CU
For vehicles
08.97 ä
18262 18056
Data bus drive
Hardware defec-
tive
or
defective
19458
Kick-down switch
F8
Implausible sig-
nal
65535 16989
17795
18048
Control unit de-
fective
Edition 01.04
S00.5111.56.20
Possible cause of fault
♦ Databus lines to ABS con-
trol unit interrupted
♦ Fault in ABS system
♦ Databus lines to auto-
matic transmission or ABS
control unit interrupted
♦ Fault in automatic trans-
mission or ABS system
-
♦ Accelerator pedal position
sender -G79 defective
♦ Engine control unit inter-
nally defective
Self-Diagnosis
Possible effects
♦ No vehicle dynamics con-
trol
♦ Poor driveability
(jerking when changing
gears, load alteration
shock etc.)
♦ Mixture adaptation not op-
erational
♦ Shifting points for auto-
matic gearbox N.O.K.
♦ Poor driveability
♦ Engine stoppage
♦ Glow period indicator light
flashes
Rectifying fault
- Check data bus ⇒ page
23-55.3
- Check ABS control unit
⇒ Binder: Chassis;
Antilock Brake System
- Check data bus ⇒ page
23-55.3
- Check ABS control unit
⇒ Binder: Chassis; Antilock
Brake System
- Check automatic transmis-
sion control unit
⇒ Binder: Automatic trans-
mission
- Check accelerator pedal
position sender -G79
⇒ page 23-47
- Replace engine control
unit
⇒ page 23-20
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