P1811 CHEVROLET code

What causes P1811 code?

The P1811 diagnostic trouble code usually appears when the transmission control module detects an unusually long shift time. On average, most acceptable shift time parameters are set at 0.6 seconds. Anything longer will cause the TCM to raise the line pressure, which will cause usually harsh shifts.

What does P1811 code mean?


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What is pressure control solenoid?

Pressure control solenoids are spring-loaded devices that the engine/transmission control modules use to direct the flow of pressurized transmission fluid to change gears. If the computer is unable to properly control pressure control solenoid ‘A’, then it will store a P0746 diagnostic trouble code.

What is code P0730 mean?

Code P0730 means that the Powertrain Computer or PCM is seeing greater than a specified RPM difference between the rotational speed of the Input RPM Sensor and the Transmission Output RPM Sensor. This can occur during shifting or when driving at steady speeds in the same gear.

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Where is the transmission pressure control solenoid located?

Where is the transmission pressure control solenoid located? They are usually located within the valve body, the transmission control module, or the transmission control unit. In most cases, solenoids are installed inside of the oil pan, connected to the valve body of the transmission.

How do you fix a stuck pressure control solenoid?

What repairs can fix the P0747 code?

  1. Replace a faulty electronic pressure control solenoid.
  2. Clear blocked transmission fluid passages.
  3. Refill low or dirty transmission fluid.
  4. Repair or replace faulty electrical components within the circuit.
  5. Correct any internal transmission failures.


How much does it cost to replace a pressure control solenoid?

The overall cost to replace the shift solenoid in an automatic transmission ranges from $200 to $500 for a single solenoid. If the damage requires you to replace the entire solenoid pack the cost increases to between $250 and $700.

What causes a pressure control solenoid to fail?

A transmission solenoid can fail due to electrical issues, or dirty fluid that’s caused the shift solenoid to become stuck open / closed.

How do I fix code P0962?

What repairs can fix the P0962 code?

  1. Replacement of the pressure control solenoid in valve A.
  2. Replacement of the wires and connectors in the system.
  3. Replacement of high pressure pumps.
  4. Removal of hydraulic blockages in the internal transmission.
  5. Addition or replacement of transmission fluid.