L200 L4-2.2L VIN F (2002)
Fluid Pressure Sensor/Switch: All Technical Service Bulletins
A/T - SES Lamp ON/DTC P1811 Set
File in Section: 07 - Transmission/Transaxle
Bulletin No.: 04-07-30-020
Issue Date: April, 2004
Subject:
Service Vehicle Soon Lamp Illuminated with Diagnostic Trouble Code (DTC) P1811 "Maximum Adapt and Long Shifts"
(Inspect Transaxle and Replace Pressure Control Solenoid)
Models Affected:
2001-2004 Saturn L-Series
Attention: Technician
Condition:
Some customers may comment on the Service Vehicle Soon (Wrench) Lamp illuminated with DTC P1811 "Maximum Adapt and Long Shifts." Vehicle
may also have full line pressure shifts when DTC P1811 is set.
Cause:
DTC P1811 may set if any adapt cell is at maximum and any shift time reaches 0.65 seconds for a total of two times during the same ignition cycle.
Correction:
Check the pressure control solenoid function with the line pressure test procedure in this bulletin. If the test fails, replace the pressure control solenoid.
Procedure:
1.
Test drive vehicle with Tech 2.
2.
Evaluate shift times (1-2, 2-3, and 34 up shifts). Are any shift times greater than 0.65 seconds? If so, perform the line pressure test in this bulletin.
Line Pressure Test
Caution:
KEEP BRAKES APPLIED AT ALL TIMES IN ORDER TO PREVENT UNEXPECTED VEHICLE MOTION.
Notice:
Total test running time should not be longer than two minutes. Otherwise, transmission damage may occur.
