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What causes code p1811 to set and repair options?

What causes code p1811 to set and repair options?

Cycling the key on and off may cure the harsh shifting until the criteria for the code is met once more. We are going to cover what causes the code to set and repair options. If a shift into any gear other than reverse and forward engagements takes longer than 0.65 seconds to complete, code P1811 will set.

What is the p1811 code for GM front wheel drive?

The P1811 code is one of the most common codes for transmissions in 1997-on GM front wheel drive vehicles. Symptoms of this code include a check engine light illuminated and harsh shifting. Cycling the key on and off may cure the harsh shifting until the criteria for the code is met once more.

What happens when p1811 is set on peoples transmission?

The PCM will also command the check engine light or service engine soon light to be illuminated when P1811 is set. Basically, the PCM is sensing a slip, and is increasing line pressure to maximum in order to prevent the transmission from hurting itself further.

What does PCM look for when setting p1811?

Those problems could definitely cause a P1811, but what they failed to mention in the bulletin is, what exactly is the PCM looking for when setting P1811. It’s looking for a slip of 0.65 seconds or longer to set the code.

The P1811 code is one of the most common codes for transmissions in 1997-on GM front wheel drive vehicles. Symptoms of this code include a check engine light illuminated and harsh shifting. Cycling the key on and off may cure the harsh shifting until the criteria for the code is met once more.

Cycling the key on and off may cure the harsh shifting until the criteria for the code is met once more. We are going to cover what causes the code to set and repair options. If a shift into any gear other than reverse and forward engagements takes longer than 0.65 seconds to complete, code P1811 will set.

The PCM will also command the check engine light or service engine soon light to be illuminated when P1811 is set. Basically, the PCM is sensing a slip, and is increasing line pressure to maximum in order to prevent the transmission from hurting itself further.

Those problems could definitely cause a P1811, but what they failed to mention in the bulletin is, what exactly is the PCM looking for when setting P1811. It’s looking for a slip of 0.65 seconds or longer to set the code.

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Ruth Doyle