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

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

100lA6 1,8/2,0/2,6/2,8/4,2 A6 2,5 TDI A6lS61Allroad A8lS8<br />

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

type<br />

5-digit<br />

EOBD type<br />

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

Probable cause<br />

17776<br />

PI 368<br />

Ignition coillamplifier, cylinder 5 - short to<br />

positive<br />

-<br />

Wiring short to positive, ignition coillamplifier<br />

17777<br />

PI 369<br />

Ignition coillamplifier, cylinder 5 - short to<br />

earth<br />

Wiring short to earth, ignition coillamplifier<br />

17778<br />

PI370<br />

Ignition coillamplifier, cylinder 6 - open<br />

circuit<br />

Wiring open circuit, ignition coillamplifier<br />

17779<br />

PI371<br />

Ignition coillamplifier, cylinder 6 - short to<br />

positive<br />

Wiring short to positive, ignition coillamplifier<br />

17780<br />

PI372<br />

Ignition coillamplifier, cylinder 6 - short to<br />

earth<br />

Wiring short to earth, ignition coillamplifier<br />

17781<br />

PI 373<br />

Ignition coillamplifier, cylinder 7 - open<br />

circuit<br />

Wiring open circuit, ignition coillamplifier<br />

17782<br />

PI 374<br />

Ignition coillamplifier, cylinder 7 - short to<br />

positive<br />

Wiring short to positive, ignition coillamplifier<br />

17783<br />

PI 375<br />

Ignition coillamplifier, cylinder 7 - short to<br />

earth<br />

Wiring short to earth, ignition coillamplifier<br />

17784<br />

PI 376<br />

Ignition coillamplifier, cylinder 8 - open<br />

circuit<br />

Wiring open circuit, ignition coillamplifier<br />

17785<br />

PI 377<br />

Ignition coil/amplifier, cylinder 8 - short to<br />

positive<br />

Wiring short to positive, ignition coillamplifier<br />

17786<br />

PI 378<br />

Ignition coillamplifier, cylinder 8 - short to<br />

earth<br />

Wiring short to earth, ignition coillamplifier<br />

17793<br />

PI 385<br />

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

ECM<br />

17794<br />

PI386<br />

Engine control module (ECM), knock<br />

control - defective<br />

ECM<br />

17795<br />

PI 387<br />

Engine control module (ECM),<br />

BAR0 sensor - defective<br />

ECM<br />

17796<br />

PI388<br />

Engine control module (ECM),<br />

ETS - defective<br />

ECM<br />

17797<br />

PI 389<br />

Engine control module (ECM) 2 - defective<br />

ECM<br />

17799<br />

PI391<br />

Camshaft position (CMP) sensor 21<br />

bank 2 - short to earth<br />

Wiring short to earth, CMP sensor<br />

I7800<br />

PI 392<br />

Camshaft position (CMP) sensor 21<br />

bank 2 - open circuitlshort to positive<br />

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

17801<br />

PI 393<br />

Ignition amplifier, primary circuit 1 - circuit<br />

malfunction<br />

Wiring, ignition amplifier, HT leads, spark plugs<br />

17802<br />

PI 394<br />

Ignition amplifier, primary circuit 2 - circuit<br />

malfunction<br />

Wiring, ignition amplifier, HT leads, spark plugs<br />

17803<br />

PI 395<br />

Ignition amplifier, primary circuit 3 - circuit<br />

malfunction<br />

Wiring, ignition amplifier, HT leads, spark plugs<br />

17805<br />

PI397<br />

Crankshaft position (CKP) sensorlengine<br />

speed (RPM) sensor - control limit reached<br />

lnsecureldamaged rotor, CKPIRPM sensor<br />

17806<br />

PI 398<br />

Crankshaft position (CKP) sensortengine<br />

speed (RPM) sensor - short to earth<br />

Wiring short to earth, CKPIRPM sensor<br />

17807<br />

PI 399<br />

Crankshaft position (CKP) sensorlengine<br />

speed (RPM) sensor - short to positive<br />

Wiring short to positive, CKPIRPM sensor<br />

17808<br />

PI 400<br />

Exhaust gas recirculation (EGR) valve1<br />

solenoid, bank 1 - circuit malfunction<br />

Wiring, EGR valve

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