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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 (07193-) A41S4<br />

1001A6 1,812,012,6/2,814,2 A6 2,5 TDI A6IS6IAllroad A868<br />

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

AUDI<br />

Engine management 1<br />

VAG type<br />

5-digit<br />

1 EOBD type 1 <strong>Fault</strong> location Probable cause<br />

18322<br />

18328<br />

Pi914<br />

P1920<br />

18331 ( P1923 1 Engine control module (ECM) 2 - malfunction I <strong>Trouble</strong> code(s) stored<br />

19456<br />

19458<br />

I P3000<br />

I P3002<br />

19459 P3003<br />

19461<br />

19463<br />

19464<br />

19465<br />

19466<br />

19467<br />

19468<br />

19469<br />

19470<br />

P3005<br />

P3007<br />

P3008<br />

P3009<br />

P3010<br />

P3011<br />

P3012<br />

P3013<br />

P3014<br />

Brake servo pressure sensor - range1<br />

performance problem<br />

Engine mounting control solenoid,<br />

bank 1 & 2 - open circuiffshort to earth<br />

CAN data bus, instrumentation - glow plug<br />

warning lamp<br />

Vacuum leak, wiring, brake servo pressure<br />

sensor<br />

Wiring open circuitlshort to earth, engine<br />

mounting control solenoid<br />

Wiring, matching resistor in ECM<br />

Accelerator pedal position (APP) sensor - APP sensor<br />

transmission kick-down switch<br />

-- -<br />

Engine coolant heater relay 1, low output Wiring, engine coolant heater relay<br />

Engine coolant heater relay 2, high output Wiring, engine coolant heater relay<br />

Camshaft position (CMP) sensor - no<br />

signal<br />

Camshaft position (CMP) sensor - signal<br />

limit exceeded<br />

Fuel cooling pump relay - short to positive<br />

Fuel cooling pump relay - open circuiff<br />

short to earth<br />

Fuel pump relay - short to positive<br />

Fuel pump relay - open circuiffshort to earth<br />

Turbocharger (TC) wastegate regulating<br />

valve B - short to positive<br />

Turbocharger (TC) wastegate regulating<br />

valve B - open circuiffshort to earth<br />

Air gap, insecure sensorlrotor, wiring,<br />

CMP sensor<br />

Insecure rotor, camshaft alignment<br />

19471 I P3015 I Fuel bypass valve - short to positive I Wiring short to positive, fuel bypass valve<br />

19472<br />

19496<br />

19497<br />

19560<br />

P3016<br />

P3040<br />

P3041<br />

P3104<br />

19561<br />

I P3105<br />

19717 P3262<br />

65280<br />

65535<br />

-<br />

-<br />

Fuel bypass valve - open c~rcuiffshort to earth<br />

Gear ratio - imptausible<br />

CAN data bus,<br />

instrumentation - implausible ECT signal<br />

Intake manifold air control solenoid - short<br />

to msitive<br />

Intake manifold air control solenoid - open<br />

circuit/short to earth<br />

Heated oxygen sensor (H02S) 2,<br />

bank 1 & 2 - interchanged<br />

CAN data bus, ABS - defective<br />

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

Wiring short to positive, fuel cooling pump relay<br />

Wiring open circuitlshort to earth, fuel cooling<br />

pump relay<br />

Wiring short to positive, fuel pump relay<br />

Wiring open circuitlshort to earth, fuel pump relay<br />

Wiring short to positive, TC wastegate regulating<br />

valve<br />

Wiring open circuitlshort to earth, TC wastegate<br />

regulating valve<br />

Wiring open circuitlshort to earth, fuel bypass valve<br />

Transmission fault<br />

Wiring, matching resistor in ECM<br />

Wiring short to positive, intake manifold air<br />

control solenoid<br />

Wiring open circuitlshort to earth, intake manifold<br />

air control solenoid<br />

H02S 2 on bank 1 8 2 incorrectly installed<br />

ABS trouble code@) stored, wiring, matching<br />

resistor in ECM<br />

ECM<br />

-<br />

<strong>Trouble</strong> code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code if<br />

engine starts.<br />

Located at rear of exhaust camshaft.<br />

Throttle control unit incorporates the following components: TP sensor, CTP switch (if fitted), ISC actuatorlposition sensor or<br />

throttle motorlposition sensor.<br />

May also produce HT voltage for cylinder 4.<br />

H May also produce HT voltage for cylinder 3.<br />

Incorporates heated oxygen sensor (H02S) 2.<br />

4

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