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

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VOLKSWAGEN<br />

Model: GolfNento 1,4 (+07192) GolfNento 1,8 (+07193)<br />

Passat 1,8 (AAM +07194) Passat 1,8 (ABS 40193)<br />

I Engine management<br />

VAG type I F~UM location<br />

5-digit<br />

00000 I No fault found<br />

Probable cause<br />

00281 1 Vehicle speed sensor (VSS) Wiring, speedometer, VSS<br />

00282 1 ldle speed control (ISC) actuator Wiring, multi-plug incorrectly wired, ISC actuator<br />

0051 5 rn [ Crankshaft position (CKP) sensor Insecure rotor, wiring, CKP sensor<br />

00516 I Closed throttle position (CTP) switch Accelerator cable adjustment, CTP switch adjustment,<br />

wiring, CTP switch<br />

00518 1 Throttle position (TP) sensor Wiring, poor connection, TP sensor<br />

00522 1 Engine coolant temperature (ECT) sensor Wiring, poor connection, ECT sensor<br />

00523 1 Intake air temperature ([AT) sensor Wiring, IAT sensor<br />

00525 ( Heated oxygen sensor (H02S) Wiring, H02S, heating inoperative, fuel level low<br />

00532 1 Engine control module (ECM) - supply voltage Battery, wiring<br />

00537 rn 1 Heated oxygen sensor (H02S) - lambda control Heating inoperative, exhaust leak, misfire, fuel<br />

I<br />

00525 I Heated oxygen sensor (H02S)<br />

pressurelpump, EVAP canister purge valve<br />

Wiring, H02S, heating inoperative, fuel level low<br />

00561 rn I Mixture control (MC) Fuel level low, fuel pressurelpump, intakelexhaust leak,<br />

misfire, H02S, EVAP canister purge valve, injector,<br />

excessive fuel in engine oil<br />

00670 I Idle speed control (ISC) actuator position sensor<br />

Wiring, throttle valve, ISC actuator position sensor<br />

17978 1 Engine control module (ECM) immobilizer active lncorrectldamaged key, incorrectly coded,<br />

ECMlimmobilizer replacement without coding, wiring,<br />

immobilizer defective<br />

65535 1 Engine control module (ECM) ECM<br />

rn <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 />

After repairs, erase learnt lambda control values: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least 30 seconds.<br />

Carry out road test to allow ECM to re-learn basic values.<br />

4

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