What are the symptoms of a p0740 trouble code?
Symptoms of a P0740 trouble code may include: Malfunction Indicator Lamp (MIL) illuminated (a.k.a. Check Engine Light) Minimal decrease in fuel economy, this will not affect engine performance Causes of this DTC may include: Wiring harness to transmission damaged, loose connection, open or shorted circuit
What is the p0740 code on a 2000 Eclipse?
2000 Eclipse has check engine light on and showing code P0740. After vehicle sits over night transmission shifts properly for about the first two minutes of driving each morning then you can feel transmission slam into fail safe mode. vehicle seems to be stuck in third gear and is very slow off the…
What is the meaning of the code p0172?
Code P0172 Definition Bank 1 has more fuel then it should or not enough air. What Does P0172 Mean? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14.7 parts air to 1 part fuel.
Is it okay to drive a car with p0172?
It is okay to drive a vehicle with P0172 for a short period of time, but driving with this code for an extended period of time can cause internal engine damage and failure of the catalytic converter. Code P0172 Common Diagnosis Mistakes It is important to complete the entire diagnostic process when diagnosing P0172.
What does the p0740 OBD-II trouble code mean?
What the P0740 code means is that the powertrain control module (PCM) has detected something unusual within the torque converter clutch circuit.
What does the p0740 code on a torque converter mean?
What the P0740 code means. What the P0740 code means is that the powertrain control module (PCM) has detected something unusual within the torque converter clutch circuit. The powertrain control module can vary the application of the torque converter clutch for optimal vehicle performance.
What does DTC p0740 PWM stand for?
When the PCM detects a continuous open, short to ground or short to power in the TCC solenoid valve circuit, then DTC P0740 sets. The Torque Converter Clutch (TCC) solenoid valve is an electrical device that is used with the torque converter clutch pulse width modulation (TCC PWM) solenoid valve in order to control TCC apply and release.
When to set p0740 code for clutch solenoid?
Once the module deems conditions are correct, it commands one or more TCC solenoid valves to engage the TCC clutch. On most vehicles, the module will set a P0740 code when it detects an electrical fault with the TCC solenoid or the TCC control circuit.