DAF LF45, LF55 Series. Manual — part 20

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1-19

AS Tronic fault codes

AS TRONIC

DAVIE XD diagnostics manual

3

3178

Warning CAN communication between all vehicle
systems possibly not OK

-

When driving:

-

no gear changes possible

-

automatic mode not available

-
-

At standstill:

-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3179

Overloaded CAN communication system
between all vehicle systems. Not all CAN
messages can be sent in the same cycle.

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3180

No CAN message received from engine
management (UPEC) due to:
-

communication problem with the engine
management (UPEC)

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3181

No CAN message received from engine
management (UPEC) due to:
-

communication problem with the engine
management (UPEC)

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3182

Incorrect or missing cruise control vehicle speed
signal received via CAN message due to:
-

communication problem with the engine
management (UPEC)

-

Wheel speed signals are missing

-

Automatic mode not available

-

When the vehicle is coasting, the clutch will
be opened at a vehicle speed exceeding
1.5 km/h.

3183

Incorrect or missing engine brake signal received
via CAN message from engine management
(UPEC) due to:
-

communication problem with the engine
management (UPEC)

-

If the engine brake is active, this may affect
the shifting quality when shifting is started

-

No further system limitation

-

Automatic mode not available

Fault code

Fault code description with possible cause

Symptom

AS TRONIC

1-20

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AS Tronic fault codes

3

DAVIE XD diagnostics manual

3184

No CAN message received from the intarder
(EST 42) due to:
-

communication problem with intarder
(EST 42)

-

No noticeable system limitation

-

Automatic mode not available

3188

Internal modulator fault (D954) due to:
-

missing or defective basic program(s)

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3189

Internal modulator fault (D954) due to:
-

missing or defective basic program(s)

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3190

Internal modulator fault (D954) due to:
-

missing or defective basic program(s)

-

fault recognised during self-test

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3191

Internal modulator fault (D954) due to:
-

missing or defective basic program(s)

-

fault recognised during self-test

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3192

Internal modulator fault (D954) due to:
-

communication problem between
processors in modulator

-

If the fault still occurs after the ignition has
been switched off and on, an average drive-
off gear will be selected when driving off
from a stationary position

-

No noticeable system limitation

-

Automatic mode not available

Fault code

Fault code description with possible cause

Symptom

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1-21

AS Tronic fault codes

AS TRONIC

DAVIE XD diagnostics manual

3

3193

The modulator temperature measured by the
integrated temperature sensor is too high:
-

temperature > 130 degrees Celsius

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3194

Front axle speed signals not recognised via
message on CAN network

-

No noticeable system limitation

-

Automatic mode not available

3198

Relative wheel speed sensor signals not
recognised via message on CAN network

-

No noticeable system limitation

-

Automatic mode available

3199

No CAN message received from ABS/EBS unit
due to:
-

communication problem with ABS/EBS

-

An average drive-off gear is selected when
driving off from a stationary position

-

No noticeable system limitation

-

Automatic mode available

3210

No CAN message received from the MTCO due
to:
-

communication problem with the MTCO

-

No noticeable system limitation, if there is a
redundant internal speed signal

-

Automatic mode available

3227

Internal modulator fault (D954) due to:
-

missing or defective basic program(s)

-

fault recognised during self-test

When driving:
-

no gear changes possible

-

automatic mode not available

At standstill:
-

if the vehicle comes to a halt, the clutch will
open and the gearbox is automatically
shifted to the neutral position

-

driving off from a stationary position is not
possible

-

system is not available

3235

No PTO active signal received by AS Tronic ECU
from VIC via CAN message due to:
-

communication problem with the VIC

-

No PTO 1 and PTO 2 actuation possible

3236

No CAN message received from the VIC due to:
-

communication problem with the VIC

-

No PTO 1 actuation possible

3237

No CAN message received from the VIC due to:
-

communication problem with the VIC

-

No PTO 2 actuation possible

Fault code

Fault code description with possible cause

Symptom

AS TRONIC

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AS Tronic fault codes

3

DAVIE XD diagnostics manual