2001 Chevrolet Monte Carlo SS. Engine size 3.8 codes = P1811.
I Changed transmission fluid and filter after noticing it having a burnt smell.
Just checked for trouble code
Question = After the above, I noticed car was taking too long to shift from 1st to 2nd gear and
when it did you could feel the change harder than ever before. This does not happen every day I
drive the car. I haven't been able to pinpoint any specific time this happens, it just randomly
happens. It may act like this two days in a row and then not do it again for a couple of days. When
scanned the code read P1811, so the technician cleared the code and told me to drive it and see
if the problem still occurred and if so to return and he would scan it again to see if the same code
came up. Does this mean I may need a whole new transmission or just maybe a solenoid or some
other part? I am very concerned about the cost? Thank You
Several things can cause this code. Most common is you have a faulty Pressure Control Solenoid.
May have a component in the transmission is slipping; just as the code states- 'p1811 transmission
Component slipping' But normally the shifting problems would occur at all times. The harshness is
happening because when the code appears, the trans will raise line pressure and change shift
adapts to try and compensate for a slipping component.
A bad PCM, although not as common can also do this. Transmission needs to be checked by a
qualified trans. Tech in order to get the problem isolated and not guess at the problem, because it
could be very costly.
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My 2005 Chevy Monte Carlo LT stumbles at red lights badly when I hit the gas what can be the
problem help me.
|You are describing an engine misfire. Under
acceleration, a problem in the ignition system is most
likely- bad spark plug or plug wire or ignition coil.
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2001 Monte Carlo Transmission Code P1811