DAF LF45, LF55 Series. Manual — part 69

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Contents

CDM

DAVIE XD diagnostics manual

19

19 CDM

CONTENTS

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Date

1.

1.2

2.

CDM

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Contents

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DAVIE XD diagnostics manual

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1-1

CDM fault codes

CDM

DAVIE XD diagnostics manual

19

1. CDM 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.

CDM

1-2

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CDM fault codes

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DAVIE XD diagnostics manual

1.2 EXPLANATORY NOTES TO CDM FAULT CODES

Fault code

Fault code description with possible cause

Symptom

01-02

Internal communication fault due to:
-

defective CDM

-

No communication with CDM

02-12

Internal fault due to:
-

defective CDM

-

No communication with CDM

03-12

Internal fault due to:
-

defective CDM

-

No communication with CDM

04-12

Internal fault due to:
-

defective CDM

-

No communication with CDM

05-03

Voltage (> 360 V) on pin A1 of the ECU is too high
due to:
-

excessive alternator/battery voltage

-

No communication between semi-trailer
CDM and tractor CDM

-

Fleet management system cannot receive
data

05-04

Voltage (< 16 V) on pin A1 of the ECU is too low
due to:
-

alternator voltage too low

-

interruption on pin A1 of the ECU

-

No communication between semi-trailer
CDM and tractor CDM

-

Fleet management system cannot receive
data

06-03

Voltage (> 36 V) on pin A2 of the ECU is too high
due to:
-

excessive alternator/battery voltage

-

No communication between semi-trailer
CDM and tractor CDM

-

Fleet management system cannot receive
data

07-09

Sporadic failure of the V-CAN due to:
-

interruption on pin A12 of the ECU

-

interruption on pin A09 of the ECU

-

short circuit in CAN-H and CAN-L

-

short circuit to supply or to earth in CAN-H

-

short circuit to supply in CAN-L

-

No communication with CDM

08-09

FMS-CAN failure due to:
-

interruption on pin B03 of the ECU

-

interruption on pin B06 of the ECU

-

short circuit in CAN-H and CAN-L

-

short circuit to earth in CAN-H

-

short circuit to supply in CAN-L

-

Fleet management system cannot receive
data

09-09

Failure of V-CAN CAN-L due to:
-

short circuit to earth in CAN-L

-

No noticeable system limitations

10-09

Trailer CAN failure due to:
-

short circuit in CAN-H and CAN-L

-

No communication with CDM

32-09

Trailer CAN-L failure due to:
-

interruption on pin C02 of the ECU

-

short circuit to supply in CAN-L

-

No communication with CDM

33-09

Trailer CAN-H failure due to:
-

interruption on pin C03 of the ECU

-

No communication with CDM