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

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Model:<br />

Vectra-B<br />

Scanner<br />

I<br />

I<br />

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

Probable cause<br />

49 I Supply voltage, ignition - high 1 Alternator, regulator<br />

56 I Transmission range (TR) switch - incorrect signal ( Wiring, TR switch, TCM<br />

57 I Throttle position (TP) sensor 2 - voltage low 1 Wiring, TP sensor, TCM<br />

58 I Throttle position (TP) sensor 2 - voltage high I Wiring, TP sensor, TCM<br />

59<br />

I<br />

Transmission I<br />

6 1 I Neutral control solenoid - voltage low I Wiring short to earth, neutral control solenoid<br />

66<br />

67<br />

Parkheutral position (PNP) switch - incorrect signal<br />

Neutral control solenoid - voltage high<br />

Wiring, PNP switch, TCM<br />

Wiring open circuitlshort to positive, neutral<br />

control solenoid<br />

74 ( Throttle position (TP) sensor 2 - incorrect signal I Wiring, TP sensor, TCM<br />

75<br />

76<br />

77<br />

Transmission fluid temperature (TFT) sensor -<br />

voltage high<br />

Transmission fluid temperature (TFT) sensor -<br />

voltage low<br />

78 ( Gear selection - shift time excessive I Wiring, TCM<br />

8 1<br />

82<br />

83<br />

84<br />

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

signal - voltage low<br />

Throttle position (TP) sensor 1 - incorrect signal<br />

Transmission kick-down switch - voltage low<br />

Transmission clutch C1, neutral control solenoid on -<br />

no engagement<br />

Transmission clutch C1, neutral control solenoid on -<br />

no release<br />

Transmission clutch C1, neutral control solenoid on -<br />

slipping<br />

Transmission clutch C1, neutral control solenoid off -<br />

slipping<br />

Wiring short to positive, TFT sensor, TCM<br />

Wiring short to positive, TFT sensor, TCM<br />

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

Wiring, TP sensor, TCM, ECM<br />

Wiring, kick-down switch,<br />

Wiring, PNP switch, ECM, TCM<br />

Wiring, PNP switch, ECM, TCM<br />

Wiring, ECM, TCM<br />

Wiring, ECM, TCM

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