DAF 95XF. Manual - part 207

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ECAS-3 fault codes

ECAS-3

DAVIE XD diagnostics manual 

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1. ECAS-3 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.

ECAS-3

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ECAS-3 fault codes

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DAVIE XD diagnostics manual

1.2 EXPLANATORY NOTES TO ECAS-3 FAULT CODES

Fault code

Fault code description with possible cause

System response

10-80

Internal fault in ECU

-

No chassis height control

10-82

Internal fault in ECU due to:
-

specific data

-

No chassis height control

10-83

Internal fault in ECU due to:
-

parameter fault

-

No chassis height control

10-84

Internal fault in ECU due to:
-

height sensor calibration data

-

No chassis height control

10-88

Internal fault in ECU due to:
-

Wabco data

-

No noticeable system limitation

11-90

Interruption of power supply before contact on 
pin 5 of the ECU

-

No noticeable system limitation

-

No communication with DAVIE

30-21

Short circuit to earth on pin 21 of the ECU, 3/2 
way valve admitting air to or exhausting air from 
rear axle (B250)

-

No chassis height control

-

The remote control can only be used to 
lower the chassis (exhausting bellows)

30-24

Short circuit to supply or open connection on pin 
21 of the ECU, 3/2 way valve admitting air to or 
exhausting air from rear axle (B250)

-

No chassis height control

-

The remote control can only be used to 
raise the chassis (admitting air to bellows)

31-21

Short circuit to earth on pin 8 of the ECU, 2/2 
way valve, driven axle left (B250)

-

No chassis height control

-

The system does not respond to the remote 
control

31-24

Short circuit to supply or open connection on pin 
8 of the ECU, 2/2 way valve, driven axle left 
(B250)

-

No chassis height control

-

The system does not respond to the remote 
control

32-21

Short circuit to earth on pin 20 of the ECU, 2/2 
way valve, driven axle right (B250)

-

No chassis height control

-

Normal driving level function does not work

32-24

Short circuit to supply or open connection on pin 
20 of the ECU, 2/2 way valve, driven axle right 
(B250)

-

No chassis height control

-

Normal driving level function does not work

35-21

Short circuit to earth on pin 10 of the ECU, 2/2 
way valve, front axle (B166)

-

No chassis height control

-

The system does not respond to the remote 
control

35-24

Short circuit to supply or open connection on pin 
10 of the ECU, 2/2 way valve, front axle (B166)

-

Chassis height at front axle follows rear 
axle

36-21

Short circuit to earth in internal relay valves

36-24

Short circuit to supply or open connection in 
internal relay valves

-

No chassis height control

-

System does not respond to the remote 
control

40-41

Short circuit to earth on pin 19 of the ECU, height 
sensor left, driven axle (F612)

-

No chassis height control, rear left

40-43

Value outside range on pin 19 of the ECU, height 
sensor left, driven axle (F612)

-

No chassis height control

-

Normal driving level function does not work

40-44

Short circuit to supply or open connection on pin 
19 of the ECU, height sensor left, driven axle 
(F612)

-

No chassis height control, rear left

41-41

Short circuit to earth on pin 7 of the ECU, height 
sensor right, driven axle (F613)

-

No chassis height control, rear right

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ECAS-3 fault codes

ECAS-3

DAVIE XD diagnostics manual 

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41-43

Value outside range on pin 7 of the ECU, height 
sensor right, driven axle (F613)

-

No chassis height control

-

Normal driving level function does not work

41-44

Short circuit to supply or open connection on pin 
7 of the ECU, height sensor right, driven axle 
(F613)

-

No chassis height control, rear right

42-41

Short circuit to earth on pin 6 of the ECU, height 
sensor, front axle (F614)

-

No chassis height control, front axle

42-43

Value outside range on pin 6 of the ECU, height 
sensor, front axle (F614)

-

No chassis height control

-

Normal driving level function does not work

42-44

Short circuit to supply or open connection on pin 
6 of the ECU, height sensor, front axle (F614)

-

No chassis height control, front axle

55-42

Short circuit to supply or open connection on pin 
12 of the ECU, speed signal

-

No chassis height control

-

ECAS responds immediately to height level 
changes (unstable handling)

Fault code

Fault code description with possible cause

System response

ECAS-3

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ECAS-3 fault codes

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DAVIE XD diagnostics manual