DAF 95XF. Manual - part 176

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VIC fault codes

VIC

DAVIE XD diagnostics manual 

4

1. VIC FAULT CODES

1.1 INTRODUCTION

If the electronic unit detects a system fault, this 

fault is usually stored in the memory of the 

electronic unit as a fault code.

Most system faults will also generate a warning.

VIC

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VIC fault codes

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DAVIE XD diagnostics manual

1.2 EXPLANATORY NOTES TO VIC FAULT CODES

Fault code

Fault code description with possible cause

Symptom

12401-3

Short circuit to supply on pin B21 of the ECU

-

Gearbox gate protection is active at low 
speeds; it is impossible to shift gate 1-2 at 
low speeds

12401-20

Interruption or short circuit to earth on pin B21 of 
the ECU

-

Gearbox gate protection does not function; it 
is possible to shift gate 1-2 at higher speeds

12501-3

Short circuit to supply on pin B19 of the ECU

-

Shifting down to the low range remains 
possible, even at higher speeds

12501-20

Interruption or short circuit to earth on pin B19 of 
the ECU

-

It is not possible to shift down to the low 
range, even at low speeds

12701-21

Interruption on pin C05 of the ECU

-

Rear fog lamps are not working

-

Headlamp washers are not working

12702-3

Short circuit to supply on pin C50 of the ECU

-

Relay G237 is no longer energised, the 
windscreen wipers are not working

12702-20

Interruption or short circuit to earth on pin C50 of 
the ECU

-

Windscreen wipers are not working

Short circuit to earth on pin C50 of the ECU

-

Windscreen wiper motor runs at low speed 
with steering column switch in 0-position

12703-22

Interruption on pin A01 of the ECU

-

Windscreen wipers are not working

Short circuit to supply on pin A01 of the ECU

-

Windscreen wiper motor runs at low speed 
with steering column switch in 0-position

12703-4

Short circuit to earth on pin A01 of the ECU

-

Windscreen wipers are not working

12704-22

Short circuit to supply on pin C48 of the ECU

-

Headlamp wiper motor is permanently 
activated

Interruption on pin C48 of the ECU

-

Headlamp wiper motor does not function 
when the switch is operated

12704-4

Short circuit to earth on pin C48 of the ECU

-

Headlamp wiper motor does not function 
when the switch is operated

13401-24

Short circuit to earth or excessive load on pin E09 
of the ECU

-

Prime mover left flasher lights: not flashing 
at the front, flashing with too high a 
frequency at the rear

13401-5

Interruption or insufficient load on pin E09 of the 
ECU

-

Prime mover left flasher lights are not 
working

13402-24

Short circuit to earth or excessive load on pin E08 
of the ECU

-

Prime mover right flasher lights: not flashing 
at the front, flashing with too high a 
frequency at the rear

13402-5

Interruption or insufficient load on pin E08 of the 
ECU

-

Prime mover right flasher lights are not 
working

13403-24

Short circuit to earth or excessive load on pin E07 
of the ECU

-

Prime mover left flasher lights: not flashing 
at the rear, flashing with too high a 
frequency at the front

13403-5

Interruption or insufficient load on pin E07 of the 
ECU

-

Prime mover left flasher lights are not 
working

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VIC fault codes

VIC

DAVIE XD diagnostics manual 

4

13404-24

Short circuit to earth or excessive load on pin E04 
of the ECU

-

Prime mover right flasher lights: not flashing 
at the rear, flashing with too high a 
frequency at the front

13404-5

Interruption or insufficient load on pin E04 of the 
ECU

-

Prime mover right flasher lights are not 
working

13405-24

Short circuit to earth or excessive load on pin A07 
of the ECU

-

Drawn vehicle left flasher lights are not 
working

13406-24

Short circuit to earth or excessive load on pin A08 
of the ECU

-

Drawn vehicle right flasher lights are not 
working

21301-3

Short circuit to supply on pin D16 of the ECU

-

Air pressure gauge, circuit 1, gives no 
reading

21301-20

Interruption or short circuit to earth on pin D16 of 
the ECU

-

Air pressure gauge, circuit 1, gives no 
reading

21301-23

Voltage out of range; voltage between 0 and 1 V 
on pin D16 of the ECU

-

Air pressure gauge, circuit 1, gives no 
reading

21301-25

Voltage out of range; voltage between 4 and 5 V 
on pin D16 of the ECU

-

Air pressure gauge, circuit 1, gives no 
reading

21302-3

Short circuit to supply on pin D11 of the ECU

-

Air pressure gauge, circuit 1, gives no 
reading

21302-20

Interruption or short circuit to earth on pin D11 of 
the ECU

-

Air pressure gauge, circuit 2, gives no 
reading

21302-23

Voltage out of range; voltage between 0 and 1 V 
on pin D11 of the ECU

-

Air pressure gauge, circuit 2, gives no 
reading

21302-25

Voltage out of range; voltage between 4 and 5 V 
on pin D11 of the ECU

-

Air pressure gauge, circuit 2, gives no 
reading

21303-3

Short circuit to supply on pin D31 of the ECU

-

Air pressure gauges, circuits 1 and 2, give 
no reading

21303-4

Short circuit to earth on pin D31 of the ECU

-

Flashing instrument lighting on DIP-4, no 
possibility to read fault codes

21901-3

Short circuit to supply on pin B24 of the ECU

-

The traction control can be activated 
independently of speed; normally the 
traction control can no longer be activated 
above 30 km/h

22001-21

Interruption on pin C05 of the ECU or interruption 
in the voltage supply

-

Rear fog light relay is no longer 
automatically deactivated when the lighting 
is switched off

22002-3

Short circuit to supply on pin C40 of the ECU

-

Rear fog lights remain lit, irrespective of the 
position of the switch

22002-20

Interruption or short circuit to earth on pin C40 of 
the ECU

-

Rear fog lights are not working

22601-21

Interruption on pin C08 of the ECU

-

No glow indication on DIP-4

22901-22

Interruption or short circuit to supply on pin D15 of 
the ECU

-

Yellow warning "Coolant level low" is 
activated

22901-23

Voltage signal is outside of tolerance field

-

Information on the main display does not 
correspond with the actual coolant level; a 
warning may be displayed

23801-4

Short circuit to earth on pin D04 of the ECU

-

Instrument lighting can no longer be dimmed

Fault code

Fault code description with possible cause

Symptom

VIC

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VIC fault codes

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DAVIE XD diagnostics manual

23801-5

Interruption or insufficient load on pin D04 of the 
ECU

-

Instrument lighting can no longer be dimmed

23802-21

Interruption on pin C07 of the ECU

-

Instrument lighting can no longer be dimmed

24202-19

No CAN message received from transmission 
ECU due to: 
-

communication problem with transmission 
ECU

-

No noticeable system limitation in VIC

24204-19

No CAN message received from intarder ECU 
due to: 
-

communication problem with intarder ECU

-

No noticeable system limitation in VIC

24401-2

Fault when reading the chassis number

-

Red warning "VIC configuration fault"

25601-16

Engine speed too high

-

Yellow warning "engine speed too high" is 
active; the engine speed is higher than 
2450 rpm for more than 1 second

26001-3

Short circuit to supply on pin B23 of the ECU 
(manually operated gearbox)

-

PTO 1 is permanently activated

26001-20

Interruption or short circuit to earth on pin B23 of 
the ECU (manually operated gearbox)

-

PTO 1 is not activated upon operation of the 
switch; also, a yellow PTO 1 warning 
becomes active

26002-3

Short circuit to supply on pin C46 of the ECU 
(manually operated gearbox)

-

PTO 2 is permanently activated

26002-20

Interruption or short circuit to earth on pin C46 of 
the ECU (manually operated gearbox)

-

PTO 2 is not activated upon operation of the 
switch; also, a yellow PTO 2 warning 
becomes active

26101-11

No signal on pin B01/B07 of the ECU of the 
engine oil level sensor (F673)

-

Red warning "engine oil level too low" is 
activated

26201-3

Short circuit to supply on pin B23 of the ECU 
(AS Tronic)

-

PTO 1 is permanently activated

26201-20

Interruption or short circuit to earth on pin B23 of 
the ECU (AS Tronic)

-

PTO 1 is not activated upon operation of the 
switch; also, a yellow PTO 1 warning 
becomes active

26202-3

Short circuit to supply on pin C46 of the ECU 
(AS Tronic)

-

PTO 2 is permanently activated

26202-20

Interruption or short circuit to earth on pin C46 of 
the ECU (AS Tronic)

-

PTO 2 is not activated upon operation of the 
switch; also, a yellow PTO 2 warning 
becomes active

27201-3

Short circuit to supply on pin C42 of the ECU

-

Engine cannot be started; relay G372/G303 
remains energised (depending on the 
production date, this connection is on pin 
C44 of the ECU with vehicles 

2004-25)

-

Lighting remains lit, relay G301 remains 
energised

-

Cab heater cannot be switched on, relay 
D871/D901 remains energised

Fault code

Fault code description with possible cause

Symptom