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

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Model: A2 A31S3 80 1,612,012,6/2,8 80 1,9 TDI (07193 -+) A41S4<br />

1001A6 1,812,012,612,8/4,2 A6 2,5 TDI A6IS6IAllroad A8lS8<br />

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

1<br />

Engine management<br />

type<br />

5-digit<br />

01169<br />

01170<br />

01177<br />

01180<br />

01182<br />

01183<br />

EOBD type<br />

-<br />

-<br />

-<br />

-<br />

-<br />

-<br />

<strong>Fault</strong> location<br />

Door contact switch, driver's<br />

Fuel injection timing sensor<br />

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

EnginelAC electrical connection<br />

Mass air flow (MAF) sensor/throttle position<br />

(TP) sensor - signal incompatibility<br />

Malfunction indicator lamp (MIL) - circuit<br />

malfunction<br />

I<br />

Probable cause<br />

Wiring, door contact switch<br />

Wiring, fuel injection timing sensor<br />

ECM<br />

Wiring<br />

Throttle valve sticking, ISC actuatorlthrottle<br />

motor sticking/mechanically damaged, incorrect<br />

throttle control unit, intake leak between MAF<br />

sensor <strong>and</strong> throttle valve, air filter blocked<br />

ECM incorrectly coded, wiring, MIL<br />

01193 I - ( Engine coolant heater relay 1, low output I Wiring, engine coolant heater relay<br />

01194<br />

01196<br />

01204<br />

01208<br />

-<br />

-<br />

-<br />

-<br />

01209 1 - 1 Alternator speed signal I Wiring, alternator<br />

01235<br />

01237<br />

01242<br />

01243<br />

01247<br />

-<br />

-<br />

-<br />

-<br />

-<br />

- - -<br />

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

CAN data bus, TCM - incorrect signal<br />

Engine coolant temperature (ECT) sensor<br />

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

changed<br />

- - - --<br />

Wiring, engine coolant heater relay<br />

Wiring<br />

Wiring, ECT sensor<br />

ECM<br />

01249 I - I lniector 1 I Wiring, fuse, injector<br />

01250 1 - I<br />

01251<br />

-<br />

Secondary air injection (AIR) solenoid<br />

Fuel shut-off solenoid<br />

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

stages<br />

Intake manifold air control solenoid<br />

Evaporative emission (EVAP) canister purge<br />

valve<br />

Injector 2<br />

Injector 3<br />

-- -<br />

Wiring, AIR solenoid<br />

Wiring, fuel shut-off solenoid<br />

Wiring, ECM controlled components<br />

I Wiring, fuse, injector<br />

Wiring, fuse, injector<br />

01252 1 - I lniector 4 I Wiring, fuse, injector<br />

01253 1 - I Injector 5 I Wiring, injector<br />

01254<br />

01257<br />

01259<br />

01262<br />

-<br />

-<br />

-<br />

-<br />

01265 1 - I Exhaust gas recirculation (EGR) solenoid I Wiring, EGR solenoid<br />

01266<br />

01268<br />

-<br />

-<br />

Injector 6<br />

Idle air control (IAC) valve<br />

Fuel pump relay<br />

Turbocharger (TC) wastegate regulating<br />

valve<br />

Wiring, intake manifold air control solenoid<br />

Wiring, fuse, EVAP canister purge valve<br />

Wiring, injector<br />

Wiring, IAC valve<br />

Wiring, fuse, fuel pump relay<br />

Wiring, fuse, TC wastegate regulating valve<br />

01269 1 - I Fuel injection timing solenoid I Wiring, fuel injection timing solenoid<br />

01282<br />

01283<br />

-<br />

-<br />

-<br />

Glow plug relay<br />

Fuel quantity adjuster<br />

Intake manifold air control solenoid<br />

Intake manifold air control actuator<br />

Wiring, glow plug relay<br />

Incorrectly set, wiring, fuel injection pump<br />

01312 1 - I CAN data bus - defective I <strong>Trouble</strong> code(s) stored in other system(s), wiring<br />

-<br />

Wiring, intake manifold air control solenoid<br />

Wiring, intake manifold flap, intake manifold air<br />

control actuator

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