Torque Converter Clutch Inductive Signature Malfunction
2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel
Description
The TCC solenoid did not move when the PCM commanded it. This is an information code — there should be a more specific code stored in the Transmission Control Module. The TCC solenoid circuit performance is not as expected.
Symptoms
- Check Engine Light
- TCC not engaging
- Reduced fuel economy on highway
- Transmission overheating at highway speeds
Common Causes
- Faulty TCC solenoid
- Wiring issue to TCC solenoid
- Low transmission fluid
- Internal transmission blockage
- Contaminated transmission fluid
Diagnostic Steps
- Check for additional transmission DTCs in TCM
- Test TCC solenoid resistance
- Inspect TCC solenoid wiring
- Check transmission fluid level and condition
Repair Notes
Check for companion DTCs. Replace TCC solenoid if faulty. Service transmission fluid.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1740 on Other Vehicles
Common Questions
What does code P1740 mean on a 2000-2003 Ford Excursion?
P1740 stands for "Torque Converter Clutch Inductive Signature Malfunction". The TCC solenoid did not move when the PCM commanded it. This is an information code — there should be a more specific code stored in the Transmission Control Module. The TCC solenoid circuit performance is not as expected.
What are the symptoms of P1740 on a Ford Excursion?
Common symptoms of P1740 include: Check Engine Light, TCC not engaging, Reduced fuel economy on highway, Transmission overheating at highway speeds.
What causes P1740 on a 2000-2003 Ford Excursion?
Common causes of P1740 include: Faulty TCC solenoid, Wiring issue to TCC solenoid, Low transmission fluid, Internal transmission blockage, Contaminated transmission fluid.