|
DTC
|
Description
|
Possible
source of malfunction
|
Corrective
Action
|
00000
|
No fault
found
|
OBD has
detected no faults. If there is a malfunction then it is not detected by
the OBD. Further troubleshooting requires VAG1710.
|
-
|
00277
|
Left
Front I/O Valve (N137)
|
- Open
circuit in wiring. Short to +ve or ground between electro-hydraulic unit
(N55) and ABS controller (J104)
- Left front ABS inlet/outlet valve (N137) is faulty
|
- Trace
and repair wiring
- Check N55 & test with VAG1710
|
00283
|
Left
Front wheel speed sensor (G47)
|
- Open
circuit in wiring. Short to +ve in wiring between G47 and ABS controller
(J104)
- Rotor damaged or dirty
- Excessive wheel bearing play
- G47 not properly installed
- G47 faulty
|
- Trace
and repair wiring
- Check/replace rotor
- Adjust/replace wheel bearing
- Check G47 in channel 1 of ABS measuring block
- Perform functional test with VAG1710
|
00284
|
Right
Front I/O Valve (N138)
|
- Open
circuit in wiring. Short to +ve or ground between electro-hydraulic unit
(N55) and ABS controller (J104)
- Right front ABS inlet/outlet valve (N138) is faulty
|
- Trace
and repair wiring
- Check N55 & test with VAG1710
|
00285
|
Right
Front wheel speed sensor (G45)
|
- Open
circuit in wiring. Short to +ve in wiring between G45 and ABS controller
(J104)
- Rotor damaged or dirty
- Excessive wheel bearing play
- G45 not properly installed
- G45 faulty
|
- Trace
and repair wiring
- Check/replace rotor
- Adjust/replace wheel bearing
- Check G45 in channel 2 of ABS measuring block
- Perform functional test with VAG1710
|
00287
|
Right
Rear wheel speed sensor (G44)
|
- Open
circuit in wiring. Short to +ve in wiring between G44 and ABS controller
(J104)
- Rotor damaged or dirty
- Excessive wheel bearing play
- G44 not properly installed
- G44 faulty
|
- Trace
and repair wiring
- Check/replace rotor
- Adjust/replace wheel bearing
- Check G44 in channel 4 of ABS measuring block
- Perform functional test with VAG1710
|
00290
|
Left
Rear wheel speed sensor (G46)
|
- Open
circuit in wiring. Short to +ve in wiring between G46 and ABS controller
(J104)
- Rotor damaged or dirty
- Excessive wheel bearing play
- G46 not properly installed
- G46 faulty
|
- Trace
and repair wiring
- Check/replace rotor
- Adjust/replace wheel bearing
- Check G46 in channel 3 of ABS measuring block
- Perform functional test with VAG1710
|
00301
|
ABS Return
Flow Pump (V39)
|
- Open
circuit in wiring or contact resistance in power supply or ground connection
into V39.
- Open circuit
in wiring or short circuit to +ve or ground in wiring between J104 and J105
- ABS Return Flow
Pump Relay (J105) or V39 or N55 faulty
|
- Trace
and repair wiring
- Check channel 6 of ABS measuring block
- Check J105, V39 and N55 with functional test using VAG1710
|
00302
|
ABS Solenoid
Valve Relay (J106)
|
- Open
circuit in wiring or contact resistance in power supply or ground connection
into J106.
- Open circuit
in wiring or short circuit to +ve or ground in wiring between J104 and J106.
- ABS Solenoid Valve Relay (J106) or V39 or N55 faulty
|
- Trace
and repair wiring
- Check channel 7 of ABS measuring block
- Perform functional test with VAG1710
|
00526
|
Brake
Light switch (F)
|
- Open
circuit in wiring or short circuit to +ve in wiring between brake switch,
brake lights or ABS control module
- Right or Left brake light faulty
- Brake light switch faulty (F)
|
- Trace
and repair wiring
- Check/replace brake lights
- Check brake light switch with channel 5 of ABS
measuring block
or perform functional test with VAG1710
|
00532
|
Voltage
Supply
|
- Open
circuit in wiring or contact resistance in power supply or ground connection
into J104.
- Voltage out of range at J104. As soon as voltage is within permitted
range, the ABS is switched ON and the warning light is extinguished. This
fault is only stored if it occurs at a speed greater than 6km/h.
|
- Trace
and repair wiring
- Check alternator and voltage regulator
- Perform functional test with VAG1710
|
00597
|
Variations
in wheel speed signals
|
- One
rotor with incorrect number of teeth
- One rotor dirty or damaged
- One speed sensor not properly installed
- Excessive wheel bearing play at one wheel
- One speed sensor faulty
|
- Check
all rotors and verify contents of channels 1-4
in Group 0
- Clean/replace rotors
- Check position of all speed sensors
- Check all wheel bearings
- Check all speed sensors & perform test with VAG1710
|
00649
|
Rear
I/O Valve (N160)
|
- Open
circuit in wiring. Short to +ve or ground between electro-hydraulic unit
(N55) and ABS controller (J104)
- Right front ABS inlet/outlet valve (N160) is faulty
|
- Trace
and repair wiring
- Check N55 & test with VAG1710
|
65535
|
ABS Control
module faulty (J104)
|
-
Note: If DTC 00301 is also displayed - repair that first.
- Open circuit in wiring or contact resistance in power supply or
ground connection into J104.
- ABS controller (J104) has internal fault
|
- Trace
and repair wiring
- Replace ABS controller (J104)
|