Dtc P0751 / P0752: Shift Solenoid-A Performance Or Stuck Off / Shift Solenoid-A Stuck - Suzuki Grand Vitara 2011 Manual

5A-59 Automatic Transmission/Transaxle:
DTC P0751 / P0752: Shift Solenoid-A Performance or Stuck OFF / Shift Solenoid-A Stuck ON
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
DTC P0751:
When one of the following condition was detected while vehicle
running at 5 km/h (3.1 mile/h) or more in "D" range after engine
being warmed up.
• 4th gear ratio is detected although TCM command is for 1st
gear (See table below *1)
Or
• 3rd gear ratio is detected although TCM command is for 2nd
gear (See table below *2).
(2 driving cycle detection logic)
DTC P0752:
2nd gear ratio is detected although TCM command is for 3rd gear
while vehicle running at 5 km/h (3.1 mile/h) or more in "D" range
after engine being warmed up.
(2 driving cycle detection logic)
Table for detecting condition
TCM output gear position
Actual gear position Stuck OFF (DTC P0751)
Stuck ON (DTC P0752)
DTC Confirmation Procedure
WARNING
!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and tester, on a level road.
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using scan tool.
3) Start engine and warm it up to normal operating temperature.
4) Shift select lever to "N" and "D" range for each 10 seconds.
5) Start vehicle and increase vehicle speed to 60 km/h (37 mile/h) with throttle position 40% or more.
6) Stop vehicle and turn ignition switch OFF.
7) Repeat Step 3) to 5) one time.
8) Stop vehicle.
9) Check DTC, pending DTC and freeze-frame data.
DTC Troubleshooting
Step
1 Was "A/T System Check" performed?
2 Check shift solenoid valve–A for operation referring to
"Solenoid Valves (Shift Solenoid-A, Shift Solenoid-B, TCC
Pressure Control Solenoid and Pressure Control Solenoid
Inspection".
Are they in good condition?
1st
4th *1
1st
Action
Trouble Area
• Mechanical malfunction of shift solenoid valve–
A.
• Malfunction of valve body assembly.
• Fluid passage clogged or leaking.
• Mechanical malfunction of automatic
transmission (clutch, brake or gear etc).
2nd 3rd
3rd *2 3rd
2nd 2nd
Yes
Go to Step 2.
Clean fluid passage or
replace valve body
assembly.
S6JB0A5104032
4th
4th
4th
No
Go to "A/T System
Check".
Replace shift solenoid
valve–A.