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

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I<br />

Model:<br />

I<br />

Fiesta 1,611,8 16V Escort 1,611,8 16V Mondeo 1,611,812,O 16V<br />

Mondeo 2,s V6<br />

Engine rnanagement/transmission ( b' --': 31<br />

Scanner<br />

type<br />

624<br />

625<br />

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

AT electronic pressure control solenoid<br />

AT electronic pressure control solenoid - circuit malfunction<br />

Probable cause<br />

628 I Modulated torque converter clutch (TCC) solenoid 1 Wiring, TCC solenoid<br />

629 I Torque converter clutch (TCC) solenoid I Wiring, TCC solenoid<br />

634 I Parklneutral position (PNP) switch I Wiring, PNP switch<br />

635<br />

636<br />

637<br />

Transmission fluid temperature (TFT) switch - circuit malfunction<br />

Transmission fluid temperature (TFT) switch - circuit malfunction<br />

Transmission fluid temperature (TFT) switch - circuit malfunction<br />

AT electronic pressure control solenoid<br />

Wiring, AT electronic pressure control<br />

solenoid, ECM<br />

Wiring, TFT switch, EG<br />

Wiring, TFT switch, ECM<br />

Wiring, TFT switch, ECM<br />

638 I Transmission fluid temperature (TFT) switch - circuit malfunction ] Wiring, TFT switch, ECM<br />

639 I Turbine shaft speed (TSS) sensor - signal low I Wiring, TSS sensor<br />

645<br />

646<br />

647<br />

1st gear failure - incorrect ratio<br />

2nd gear failure - incorrect ratio<br />

3rd gear failure - incorrect ratio<br />

Wiring, transmission fault<br />

Wiring, transmission fault<br />

Wiring, transmission fault<br />

648 I 4th gear failure - incorrect ratio ( Wiring, transmission fault<br />

649 I Electronic throttle valve - failure 1 Wiring, electronic throttle valve, ECM<br />

651<br />

652<br />

Electronic throttle valve - intermittent failure<br />

Modulated torque converter clutch (TCC) solenoid - circuit<br />

malfunction<br />

653 I Transmission control switch - not activated during self-test I Wiring, transmission control switch, ECM<br />

658<br />

998<br />

Performanceleconomy switch - not activated during self-test<br />

ECT sensorllAT sensorlMAF sensorfrp sensor - circuit<br />

malfunction<br />

Wiring, electronic throttle valve, ECM<br />

Wiring, TCC solenoid, ECM<br />

Wiring, performanceleconomy switch,<br />

ECM<br />

Wiring, ECT sensorllAT sensorlMAF<br />

sensor/TP sensor, ECM

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