05.02.2017 Views

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

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

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

1001A6 1,812,012,6/2,8/4,2 A6 2,s TDI A6IS6IAllroad A868<br />

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

VAG 5-digit lype I EOBD type<br />

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

Probable cause<br />

Exhaust gas recirculation temperature<br />

(EGRT) sensor 2lbank 2 - range1<br />

performance problem<br />

Exhaust gas recirculation temperature<br />

(EGRT) control, bank 2 - control limit<br />

reached<br />

Exhaust gas recirculation temperature<br />

(EGRT) control, bank 1 - range1<br />

performance problem<br />

Exhaust leak, wiring, EGRT sensor<br />

EGRT sensor<br />

Exhaust leaklblockage, EGRT sensor<br />

Exhaust gas recirculation temperature Exhaust leaklblockage, EGRT sensor<br />

(EGRT) control, bank 2 - range1<br />

performance problem<br />

Vacuum system, brakes - mechanical fault I Vacuum pump<br />

Fuel pump relay - circuit malfunction Wiring, fuel pump relay<br />

Fuel pump relay - short to earth<br />

Fuel pump relay - short to positive<br />

Alternator load signal<br />

Intake system - leak detected<br />

Closed throttle position (CTP) switch -<br />

does not close<br />

Closed throttle position (CTP) switch -<br />

does not open<br />

Idle speed control (KC) - lower limit<br />

reached<br />

Idle speed control (ISC) - upper limit<br />

reached<br />

Idle air control (IAC) valve - circuit<br />

malfunction<br />

Idle air control (IAC) valve - short to<br />

positive<br />

Intake manifold air control solenoid 1 -<br />

current circuit<br />

Intake manifold air control solenoid 1 -<br />

short to positive<br />

Intake manifold air control solenoid 2 -<br />

short to positive<br />

Intake manifold air control solenoid 2 -<br />

short to earth<br />

Intake manifold air control solenoid 1 -<br />

short to earth<br />

Intake manifold air control solenoid 1 -<br />

open circuit<br />

Engine control relay - circuit malfunction<br />

Engine control relay - short to positive<br />

Camshaft position (CMP) control,<br />

bank 1 - malfunction<br />

Wiring short to earth, fuel pump relay<br />

Wiring short to positive, fuel pump relay<br />

Wiring, alternator<br />

Intake leak, EGR system, EVAP system, hose<br />

connection(s), throttle control unit<br />

Throttle cablelvalve, wiring open circuitlshort to<br />

positive, CTP switch adjustmentldefective, ECM<br />

Moisture ingress, wiring short to earth,<br />

CTP switch adjustmentldefective, ECM<br />

Throttle control unitl basic setting, intakelexhaust<br />

leak, mechanical fault, AC signals<br />

Throttle control unitlbasic setting, intakelexhaust<br />

leak, mechanical fault, AC signals<br />

Wiring, IAC valve<br />

Wiring open circuitlshort to positive, IAC valve<br />

Wiring, intake manifold air control solenoid<br />

Wiring short to positive, intake manifold air<br />

control solenoid<br />

Wiring short to positive, intake manifold air<br />

control solenoid<br />

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

solenoid<br />

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

solenoid<br />

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

solenoid<br />

I Wiring, engine control relay<br />

Wiring short to positive, engine control relay<br />

Cylinder head oil pressure too low, CMP actuator<br />

stickingldefective

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!