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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Model: A2 A3lS3 80 1,612,012,612,8 80 1,9 TDI (07/93+) A4lS4<br />

1001A6 1,8/2,012,6/2,814,2 A6 2,5 TDI A6IS6IAllroad A81S8<br />

CoupelCabriolet 1,812,012,6/2,8 Cabriolet 1,9 TDI lT<br />

Engine management I<br />

type EOBD type Fauk bocation<br />

5-digit<br />

16947<br />

16952<br />

-<br />

-<br />

16955<br />

I -<br />

Stop lamp switchlbrake pedal position (BPP)<br />

switch - circuit malfunction<br />

Probable cause<br />

Wiring, stop lamp switch, BPP switch<br />

16983 1 - I CAN data bus - malfunction ( <strong>Trouble</strong> code(s) stored in other system, wiring<br />

16984<br />

16985<br />

16987<br />

16988<br />

-<br />

-<br />

-<br />

-<br />

System voltage - high<br />

Cruise control masterlselector switch, SET<br />

signal - malfunction<br />

16989 1 - I Engine control module (ECM) - ROM error I ECM<br />

16990<br />

17022<br />

17026<br />

-<br />

-<br />

-<br />

17029 1 - I Air conditioning I Wiring, AC system<br />

17034<br />

I -<br />

17040 -<br />

17071<br />

-<br />

CAN data bus - malfunction<br />

Engine control module (ECM) - memory<br />

check sum error<br />

Engine control module (ECM) - KAM error<br />

Engine control module (ECM) - RAM error<br />

Engine control module (ECM) - PCM<br />

processor fault<br />

Throttle actuator control, bank 1 - range1<br />

performance problem<br />

Engine control module (ECM), knock<br />

control - defective<br />

Malfunction indicator tamp (MIL) - circuit<br />

malfunction<br />

Instrument panel, fuel consumption signal -<br />

circuit malfunction<br />

Engine control relay - short to earth<br />

Alternator, wiring<br />

Wiring, cruise control masterlselector switch<br />

<strong>Trouble</strong> code(s) stored in other system, wiring<br />

ECM<br />

Wiring, MIL<br />

17072 1 - 1 Engine control relay - short to positive I Wiring short to positive, engine control relay<br />

17075<br />

17076<br />

17077<br />

17078<br />

17091<br />

17092<br />

-<br />

17428<br />

/<strong>Autodata</strong><br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

PO<br />

PI020<br />

Engine coolant blower motor 1 - short to<br />

earth<br />

Engine coolant blower motor 1 - short to<br />

positive<br />

Engine coolant blower motor 2 - short to<br />

earth<br />

Engine coolant blower motor 2 - short to<br />

positive<br />

Transmission range (TR) sensor - low<br />

input<br />

Transmission range (TR) sensor - high<br />

input<br />

Refer to EOBD trouble code table<br />

Fuel pressure - control limit exceeded<br />

ECM<br />

ECM<br />

ECM<br />

Basic setting not carried out, throttle control unit,<br />

APP sensor<br />

ECM<br />

Wiring<br />

Wiring short to earth, engine control relay<br />

Wiring short to earth, engine coolant blower<br />

motor<br />

Wiring short to positive, engine coolant blower<br />

motor<br />

Wiring short to earth, engine coolant blower<br />

motor<br />

Wiring short to positive, engine coolant blower<br />

motor<br />

Wiring short to earth, TR sensor<br />

Wiring short to positive, TR sensor<br />

-<br />

Wiring, fuel pressure sensor, fuel pressure<br />

control valve, high pressure fuel pump<br />

17431 Pl 023 Fuel pressure control valve - short to earth Wiring short to earth, fuel pressure control valve<br />

17432 1 Pi024 I Fuel pressure control valve - open circuit I Wiring open circuit, fuel pressure control valve<br />

17433 Fuel pressure control valve - mechanical Fuel pressure control valve<br />

I / fault<br />

17434 PI 026 Intake manifold air control solenoid - short Wiring short to positive, intake manifold air<br />

to positive<br />

control solenoid<br />

4<br />

Eng~ne management<br />

109

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