How do I fix code P0742?

How do I fix code P0742?

What Repairs Will Fix P0742?

1. Replace the torque converter clutch solenoid.
2. Replace the torque converter or clutch.
3. Change transmission fluid and filter.
4. Repair/replace damaged wiring and connectors.
5. Repair/replace TCM or ECU.
6. Install a rebuilt or remanufactured transmission.

What does po742 mean?

When the code P0742 is set in the Powertrain Computer, it means that the Powertrain Computer or PCM is seeing less than a 200 RPM difference between the rotational speed of the Torque Converter and the Transmission Input Shaft when the vehicle is slowing down below 30 mph or when the brake pedal is applied.

How do I know if my torque converter clutch solenoid is bad?

When the torque converter starts malfunctioning, you may feel shuddering and even slipping in overdrive. You usually notice your car shuddering because it feels like it’s vibrating. Your car will vibrate even when you’re not going very fast. The shuddering makes the car lag and is very noticeable.

What can cause a P0742 code?

What causes the P0742 code?

• Dirty transmission fluid.
• Low transmission fluid.
• Faulty torque converter clutch solenoid valve.
• Internal mechanical problem with the transmission.
• Torque converter clutch solenoid valve harness or connectors could be bad.
• Torque converter clutch solenoid valve circuit could be shorted or open.

What are the symptoms of a bad torque converter?

6 Signs of a Failing Torque Converter

• Loss of Acceleration.
• Slipping Between Gears.
• Vehicle Won’t Shift at All.
• Transmission is Overheating.
• Transmission Fluid Leak.
• Bad Transmission Fluid.

Will a bad torque converter throw a code?

signs of a failing torque converter if it senses a problem, it will turn on the check engine light and log a trouble code or codes. your car is shuddering: a faulty torque converter can cause a shudder just before or after it locks up at cruising speed.

What are the signs of a torque converter going out?

How do I fix code P0842?

What repairs can fix the P0842 code?

1. Replacing the pressure control solenoid.
2. Refilling, or flushing and replacing, the old transmission fluid.
3. Clearing blocked transmission fluid passages.
4. Addressing any mechanic internal transmission failures.
5. Replacing a faulty PCM or TCM, in rare cases.

What does p0742 mean on a Chevy?

P0742 CHEVROLET Meaning. The Torque Converter Clutch (TCC) solenoid valve is a normally-open exhaust valve that is used with the Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve in order to control fluid acting on the converter clutch apply valve.

When to set p0742 in the powertrain computer?

When the code P0742 is set in the Powertrain Computer, it means that the Powertrain Computer or PCM is seeing less than a 200 RPM difference between the rotational speed of the Torque Converter and the Transmission Input Shaft when the vehicle is slowing down below 30 mph or when the brake pedal is applied.

What is the solenoid valve on a torque converter?

The Torque Converter Clutch (TCC) solenoid valve is a normally-open exhaust valve that is used with the Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve in order to control fluid acting on the converter clutch apply valve. The TCC solenoid valve attaches to the transmission case assembly extending into the pump cover.