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

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t.'<br />

AUDl<br />

Model: A2 A3lS3 80 1,612,012,6/2,8 80 1,9 TDI (07193 -.) A4lS4<br />

1001A6 1,812,012,6/2,814,2 A6 2,s TDI A6lS61Allroad A8IS8<br />

CoupelCabriolet 1,8/2,012,612,8 Cabriolet 1,9 TDI TT<br />

Engine management<br />

-<br />

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

5-digit<br />

Probable cause<br />

17435<br />

17436<br />

17438<br />

i 17439<br />

17440<br />

I<br />

I<br />

PI 027<br />

PI028<br />

I<br />

lntake<br />

PI032<br />

Intake manifold air control solenoid - short<br />

to earth<br />

Intake manifold air control solenoid - open<br />

circuit<br />

lntake manifold air control valve position<br />

sensor - upper limit not reached<br />

lntake manifold air control valve position<br />

sensor - lower limit not reached<br />

manifold air control valve position<br />

sensor - specification not attained<br />

Nitrogen oxides (NOx) sensor - signal too<br />

high<br />

Wiring short to earth, intake manifold air control<br />

solenoid<br />

Wiring open circuit, intake manifold air control<br />

solenoid<br />

Air control flap tightlsticking, hose connection(s),<br />

intake manifold air control actuator<br />

Air control flap tightlsticking, hose connection(s),<br />

intake manifold air control actuator<br />

Air control flap tightlsticking, hose connection(s),<br />

intake manifold air control actuator, intake<br />

manifold air control solenoid<br />

Catalytic converter, wiring short to positive,<br />

NOx sensor<br />

Exhaust leak, wiring short to earth, NOx sensor<br />

17441 PI033 Nitrogen oxides (NOx) sensor - signal too<br />

low<br />

17442 PI034 Nitrogen oxides (NOx) sensor - signal Catalytic converter, exhaust leak, wiring,<br />

outside tolerance<br />

NOx sensor<br />

17443 PI035 Nitrogen oxides (NOx) sensor - range1 Wiring, heating inoperative, NOx sensor<br />

performance problem<br />

17444 PI036 Nitrogen oxides (NOx) heater sensor - Wiring short to positive, NOx sensor<br />

short to positive<br />

Nitrogen oxides (NOx) heater sensor -<br />

7445 Ia I short to earth<br />

Wiring short to earth, NOx sensor<br />

17446 PI038 Nitrogen oxides (NOx) heater sensor - Wiring open circuit, NOx sensor<br />

open circuit<br />

17447 PI039 lniector 1, supply voltage - short circuit Wiring, injector<br />

17448 PI040 Injector 1, supply voltage - circuit<br />

Wiring, injector<br />

malfunction<br />

17449 PI041 Injector 2, supply voltage - short circuit Wiring, injector<br />

17450 PI 042 Injector 2, supply voltage - circuit<br />

Wiring, injector<br />

malfunction<br />

17451 PI 043 Injector 3, supply voltage - short circuit Wiring, injector<br />

17452 PI 044 Injector 3, supply voltage - circuit<br />

Wiring, injector<br />

malfunction<br />

17453 PI045 Injector 4, supply voltage - short circuit Wiring, injector<br />

17454 PI 046 Injector 4, supply voltage - circuit<br />

Wiring, injector<br />

malfunction<br />

17455 PI 047 Camshaft position (CMP) actuator, exhaust/ Wiring, camshaft position (CMP) actuator<br />

righthear, bank 1 - circuit malfunction<br />

17456<br />

Camshaft position (CMP) actuator, exhaust/ Wiring short to positive, camshaft position (CMP)<br />

righthear, bank 1 - short to positive actuator<br />

17457<br />

I<br />

PI049<br />

Camshaft position (CMP) actuator, exhaust/<br />

righthear, bank 1 - short to earth<br />

Wiring short to earth, camshaft position (CMP)<br />

actuator<br />

17458 PI050 Camshaft position (CMP) actuator, exhaust/<br />

righthear, bank 1 - open circuit<br />

Wiring open circuit, camshaft position (CMP)<br />

actuator<br />

Fuel pressure - control limit not reached Air in fuel system, fuel leak, fuel lift pump,<br />

fuel bypass valve, fuel pressure control valve,<br />

high pressure fuel pump

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