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

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Model: Lupo Polo 1,3 PololClassiclEstate GolfNentolBoralCabrio<br />

VOLKSWAG<br />

Beetle Passat Corrado (08192-95) Sharan<br />

CaddylPickup TransporterlCaravelle LT 2,5 SDl/TDl<br />

Engine management 7<br />

VAG type<br />

5-digit<br />

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

I I I<br />

17828 I PI420 I Secondary air injection (AIR) 1 Wiring, AIR solenoid<br />

17829 PI421<br />

valvelsolenoid - circuit malfunction<br />

Secondary air injection (AIR)<br />

Wiring short to earth, AIR valvelsolenoid<br />

17830<br />

I<br />

valvelsolenoid - short to earth<br />

Secondary air injection (AIR)<br />

valvelsolenoid - short to positive<br />

Wiring short to positive, AIR valvelsolenoid<br />

17831 PI423 Secondary air injection (AIR) system, Hose connection(s), AIR valvelsolenoid<br />

bank 1 - insufficient flow detected<br />

17832 PI424 Secondary air injection (AIR) system, AIR valve, exhaust leak<br />

bank 1 - leak detected<br />

17833 PI425 Evaporative emission (EVAP) canister purge<br />

valve - short to earth<br />

Wiring short to earth, EVAP canister purge valve<br />

17834 PI426 Evaporative emission (EVAP) canister purge<br />

valve - open circuit<br />

Wiring open circuit, EVAP canister purge valve<br />

17835<br />

17836<br />

17837<br />

17838<br />

PI427<br />

PI428<br />

PI429<br />

PI430<br />

Vacuum pump, brakes - short to positive<br />

Vacuum pump, brakes - short to earth<br />

Vacuum pump, brakes - open circuit<br />

Vacuum pump, brakes -open circuitkhort to<br />

Wiring short to positive, vacuum pump<br />

Wiring short to earth, vacuum pump<br />

Wiring open circuit, vacuum pump<br />

Wiring open circuitlshort to positive, vacuum<br />

17839<br />

I<br />

positive<br />

Pump<br />

Vacuum pump, brakes - open circuitlshort to Wiring open circuitlshort to earth, vacuum pump<br />

1 earth<br />

17840 PI432 Secondary air injection (AIR)<br />

valvelsolenoid - open circuit<br />

Wiring open circuit, fuse, AIR valvelsolenoid<br />

17841 PI433 Secondary air injection (AIR) pump relay - Wiring open circuit, fuse, AIR pump relay<br />

open circuit<br />

17842<br />

1<br />

Secondary air injection (AIR) pump relay - Wiring short to positive, AIR pump relay<br />

short to positive<br />

17843<br />

1<br />

Secondary air injection (AIR) pump relay - Wiring short to earth, AIR pump relay<br />

short to earth<br />

17846<br />

17847<br />

PI436<br />

P 1437<br />

PI438<br />

P 1439<br />

17848<br />

I<br />

Exhaust gas recirculation (EGR) valve - Wiring open circuit, EGR valve<br />

open circuit<br />

PI441<br />

PI442<br />

Secondary air injection (AIR) pump relay -<br />

circuit malfunction<br />

Exhaust gas recirculation (EGR)<br />

valvelsolenoid, bank 2 - short to positive<br />

Exhaust gas recirculation (EGR)<br />

valvelsolenoid, bank 2 - open circuitlshort to<br />

earth<br />

Exhaust gas recirculation (EGR) valve<br />

position sensor - basic setting<br />

Exhaust gas recirculation (EGR)<br />

valvelsolenoid, bank 1 -open circuitlshort to<br />

Exhaust gas recirculation (EGR) valve<br />

position sensor - high input<br />

Wiring, AIR pump relay<br />

Wiring short to positive, EGR valvelsolenoid<br />

Wiring open circuitlshort to earth, EGR<br />

valvelsolenoid<br />

Basic setting not carried out, EGR system<br />

Wiring open circuitlshort to earth, EGR solenoid<br />

Wiring short to positive, EGR valve position<br />

sensor<br />

17851<br />

I<br />

Exhaust gas recirculation (EGR) valve I Wiring short to earth, EGR valve position sensor<br />

position sensor - low input<br />

/<strong>Autodata</strong>- Engine management 749<br />

4

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