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Old December 28th, 2011, 04:55 PM   #1
chuck202003
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Default 2000 S-10 2.2L Code PO758

I have a 2000 S-10 2wd with a 2.2L in it. I changed the transmission filter and gasket about 3 weeks ago. Yesterday I was at work and I backed up no problem, when I put the truck in to drive it lunged foward and it was like I was starting out in third gear. When I got home I put the hand reader on it and it gave me code PO758 Shift Solenoid B Electrial. I drove the truck around and cleared the code while driving and it shifted fine soon as I came to a complete stop it acted up again. I feel like I am starting out in third gear and it will not shift up or down. I can go 55 but at 3grand RPM's. I can manually shift it down to 2nd but that is it nothing else. Is the solenoid bad or just a connection? Is it hard to get to or an easy job? How much do solenoid's cost?

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Old December 29th, 2011, 06:07 AM   #2
IFS SUCKS
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Default

Some customers may comment on one or more of the following conditions:






The Malfunction Indicator Lamp (MIL) is ON.







The transmission is defaulted to second gear (4L80/85-E).







The transmission is defaulted to third gear (4L60/65-E).







The instrument cluster is inoperative.


Upon investigation, one or all of the diagnostic trouble codes (DTCs) P0740, P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and P2769 may be set depending on the vehicle.

Cause


The most likely cause of this condition may be a loss of voltage to the transmission solenoid power supply circuit.

This condition may also be the result of an incorrect installation of an aftermarket electronic device such as a remote starter or alarm system.

Correction


Important: If the vehicle is equipped with an aftermarket electronic device and the DTCs are being set when the device is being used, verify that the appropriate fuse is being supplied battery voltage during operation. If voltage is not present at this fuse, these DTCs will be set due to lack of voltage at the solenoids. This condition is most likely to occur with an incorrectly installed remote starting system. If this is the case, refer the customer to the installer of the system for corrections. ANY REPAIRS DUE TO AFTERMARKET INSTALLATION OF ACCESSORIES IS A NON-WARRANTABLE ITEM.




1.

With the ignition switch in the RUN position, test for battery voltage at the circuit fuse in the transmission solenoid power supply circuit. Refer to the appropriate SI Document for the transmission solenoid power supply circuit information.





2.

If battery voltage is present at the fuse, inspect the ignition voltage circuit between the fuse and the transmission for possible opens.





3.

If battery voltage is not present at the fuse, test for continuity between the fuse and the ignition switch. If NO continuity is between the fuse and the ignition switch, repair the open in that circuit.





4.

If you have continuity between the fuse and the ignition switch, the most likely cause is the ignition switch. Replace the ignition switch using the appropriate Ignition Switch Replacement procedure in SI. Refer to group number 2.188 of the parts catalog for part description and usage of the ignition switch.
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