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Powertrain

P1740

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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Manufacturer communications

7

Original wording in English

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AUDI

Gearbox malfunction message in cluster. DTCs P17D800, P179D00, P174000, P174C, P174B, P174F, P179C, P174A, and/or P174E are stored in the transmission control module. Fault codes and symptom codes must match exactly or this TSB should not be followed. Poor internal contact area on circuit board will lead to faults. Oil additives…

14 ↗

CHRYSLER

REAR WHEEL DRIVE 4XRES, WITH GAS ENGINES, EXHIBITING A MALFUNCTION INDICATOR LAMP ON WITH FAULT CODES P0740, P1740. *TT

211100 ↗

DODGE

SOME CUSTOMERS MAY COMPLAIN OF A MALFUNCTION INDICATOR LAMP ILLUMINATION DUE TO DIAGNOSTIC TROUBLE CODE P1740 - TCC OR OD SOLENOID PERFORMANCE. *TT

210800 ↗

DODGE

SOME CUSTOMERS MAY EXPERIENCE A DELAYED TORQUE CONVERTER CLUTCH ENGAGEMENT (LOCK-UP). THIS CONDITION MAY ILLUMINATE THE MALFUNCTION INDICATOR LAMP DUE TO DIAGNOSTIC TROUBLE CODE P1740 - TCC OR O/D SOLENOID PERFORMANCE. *TT

Check vehicle applicability

25

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
AudiRS 5 ↗2013
AudiS4 ↗2013
AudiS4 ↗2012
AudiS4 ↗2011
AudiS4 ↗2010
AudiS5 ↗2013
AudiS5 ↗2012
AudiS5 ↗2011

Code meaning and manufacturer information

Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.

Torque Converter Clutch Inductive Signature Malfunction

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.