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

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I EOBD trouble code table<br />

code<br />

PO248<br />

PO249<br />

PO250<br />

I<br />

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

Turbocharger (TC) wastegate regulating valve B -<br />

rangelperformance problem<br />

Turbocharger (TC) wastegate regulating valve B -<br />

circuit low<br />

Turbocharger (TC) wastegate regulating valve B -<br />

circuit high<br />

I Probable cause<br />

PO251 I Injection pump A, rotorlcam - circuit malfunction I Wiring, injection pump, ECM<br />

PO252<br />

PO253<br />

PO254<br />

PO255<br />

PO256<br />

lnjection pump A, rotorlcam - rangelperformance problem<br />

Injection pump A, rotorlcam - circuit low<br />

Injection pump A, rotorlcam - circuit high<br />

Injection pump A, rotorlcam - circuit intermittent<br />

Injection pump B, rotorlcam - circuit malfunction<br />

PO257 1 lnjection pump B, rotorlcam - rangelperformance problem 1 lnjection pump<br />

PO258<br />

PO259<br />

Injection pump B, rotorlcam - circuit low<br />

Injection pump B, rotorlcam - circuit high<br />

TC wastegate regulating valve<br />

Wiring short to earth, TC wastegate regulating valve,<br />

ECM<br />

Wiring short to positive, TC wastegate regulating<br />

valve, ECM<br />

lnjection pump<br />

Wiring short to earth, injection pump, ECM<br />

Wiring short to positive, injection pump, ECM<br />

Wiring, poor connection, injection pump, ECM<br />

Wiring, injection pump, ECM<br />

PO260 I Injection pump B, rotorlcam - circuit intermittent I Wiring, poor connection, injection pump, ECM<br />

PO261<br />

PO262<br />

PO263<br />

PO264<br />

PO265<br />

PO266<br />

Injector 1 - circuit low<br />

Injector 1 - circuit high<br />

Cylinder 1 - contributionlbalance fault<br />

Injector 2 - circuit low<br />

Injector 2 - circuit high<br />

Cylinder 2 - contribution/balance fault<br />

Wiring short to earth, injection pump, ECM<br />

Wiring short to positive, injection pump, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

PO267 1 Injector 3 - circuit low I Wiring short to earth, injector, ECM<br />

PO268<br />

PO269<br />

Injector 3 - circuit high<br />

Cylinder 3 - contributionlbalance fault<br />

PO270 I Injector 4 - circuit low I Wiring short to earth, injector, ECM<br />

PO271<br />

PO272<br />

PO273<br />

PO274<br />

PO275<br />

PO276<br />

Injector 4 - circuit high<br />

Cylinder 4 - contributionlbalance fault<br />

Injector 5 - circuit low<br />

Injector 5 - circuit high<br />

Cylinder 5 - contributionlbalance fault<br />

Injector 6 - circuit low<br />

Wiring short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

Wiring short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

Wiring short to earth, injector, ECM<br />

PO277 1 Injector 6 - circuit high I Wiring short to positive, injector, ECM<br />

PO278<br />

PO279<br />

Cylinder 6 - contributionlbalance fault<br />

Injector 7 - circuit low<br />

Wiring short to positive, injector, ECM<br />

Wiring, fuel system, ECM<br />

Wiring short to earth, injector, ECM<br />

PO280 I Injector 7 - circuit high I Wiring short to positive, injector, ECM<br />

PO281<br />

PO282<br />

PO283<br />

Cylinder 7 - contributionlbalance fault<br />

Injector 8 - circuit low<br />

Injector 8 - circuit high<br />

Wiring, fuel system, ECM<br />

Wiring short to earth, injector, ECM<br />

PO284 1 Cylinder 8 - contributionlbalance fault I Wiring, fuel system, ECM<br />

PO285<br />

PO286<br />

Injector 9 - circuit low<br />

Injector 9 - circuit high<br />

Wiring, fuel system, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to positive, injector, ECM<br />

PO287 1 Cylinder 9 - contribution/balance fault I Wiring, fuel system, ECM<br />

PO288<br />

PO289<br />

Injector 10 - circuit low<br />

Injector 10 - circuit high<br />

Wiring short to earth, injector, ECM<br />

Wiring short to positive, injector, ECM<br />

Wiring short to earth, injector, ECM<br />

Wiring short to positive, injector, ECM

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