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

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Engine management<br />

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

1001A6 1,8/2,012,6/2,8/4,2 A6 2,s TDI AGISGlAllroad A81S8<br />

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

17660<br />

17661<br />

17662<br />

17663<br />

17664<br />

17668<br />

PI252<br />

PI253<br />

PI254<br />

PI255<br />

PI 256<br />

PI260<br />

Fuel injection timing solenoid - open<br />

circuitlshort to earth<br />

Instrument panel, fuel consumption<br />

signal - short to earth<br />

Instrument panel, fuel consumption<br />

signal - short to positive<br />

Engine coolant temperature (ECT)<br />

sensor - short to earth<br />

Engine coolant temperature (ECT)<br />

sensor - open circuitfshort to positive<br />

Injector 1 - implausible signal<br />

Probable cause<br />

17669 1 PI261 I Injector 1 - control limit exceeded I Control period too long, wiring, injector<br />

17670<br />

17671<br />

17672<br />

17673<br />

17674<br />

17675<br />

17676<br />

17677<br />

PI262<br />

PI263<br />

PI264<br />

PI265<br />

PI266<br />

PI 267<br />

PI268<br />

PI269<br />

Injector I - control limit not reached<br />

Injector 2 - implausible signal<br />

Injector 2 - control limit exceeded<br />

Injector 2 - control limit not reached<br />

Injector 3 - implausible signal<br />

Injector 3 - control limit exceeded<br />

Injector 3 - control limit not reached<br />

Injector 4 - implausible signal<br />

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

timing solenoid<br />

Wiring short to earth, instrument panel<br />

Wiring short to positive, instrument panel<br />

Wiring short to earth, ECT sensor<br />

Wiring open circuitlshort to positive, ECT sensor<br />

No control<br />

17678 / PI270 I Injector 4 - control limit exceeded I Control period too long, wiring, injector<br />

17679<br />

I<br />

lnjector 4 - control limit not reached<br />

Control period too short, fuel level low, air in fuel<br />

system<br />

No control<br />

Control period too long, wiring, injector<br />

Control period too short, fuel level low, air in fuel<br />

system<br />

No control<br />

Control period too long, wiring, injector<br />

Control period too short, fuel level low, air in fuel<br />

system<br />

No control<br />

Control period too short, fuel level low, air in fuel<br />

system<br />

17686 1 PI278 1 Fuel metering solenoid - short to positive I Wiring short to positive, fuel metering solenoid<br />

17687 PI 279<br />

17689 1 PI281 ( Fuel metering solenoid - short to earth I Wiring short to earth, fuel metering solenoid<br />

17690<br />

17695<br />

17696<br />

17697<br />

17698<br />

17699<br />

17700<br />

I7701<br />

17702<br />

PI282<br />

PI287<br />

PI288<br />

PI289<br />

PI290<br />

PI291<br />

PI 292<br />

PI293<br />

PI294<br />

Fuel metering solenoid - open circuitfshort<br />

to earth<br />

Fuel metering solenoid - open circuit<br />

Turbocharger (TC) bypass valve - open<br />

circuit<br />

Turbocharger (TC) bypass valve - short to<br />

positive<br />

Turbocharger (TC) bypass valve - short to<br />

earth<br />

Engine coolant temperature (ECT) sensor,<br />

ECM controlled cooling system - high input<br />

Engine coolant temperature (ECT) sensor,<br />

ECM controlled cooling system - high input<br />

Engine coolant thermostat - open circuit<br />

Engine coolant thermostat - short to<br />

positive<br />

Engine coolant thermostat - short to earth<br />

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

solenoid<br />

Wiring open circuit, fuel metering solenoid<br />

Wiring open circuit, TC bypass valve<br />

Wiring short to positive, TC bypass valve<br />

Wiring short to earth, TC bypass valve<br />

Wiring, ECT sensor<br />

Wiring, ECT sensor<br />

Wiring open circuit, engine coolant thermostat<br />

Wiring short to positive, engine coolant<br />

thermostat<br />

Wiring short to earth, engine coolant thermostat

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