Question about 2001 Chevrolet Blazer
I have a 2001 Chevrolet S10 pickup. Transmission does not shift correctly, it feels like it shifts into neutral or a less drive occurs. Is there any diagnostic tips for slipping or missing gears. How do you find the DTC?
Normally, you will need to check the trans fluid level first. once you have verified proper fluid level, you will need to check all linkages that connect the shift changer to the actual transmission. make sure the linkages are sound and, adjusted correctly. once that is done and, no abnormal issue were noticed, move on to the DTC.
Ok, Your vehicle is past the OBDI stage so, you will need a scan tool or, diagnstic tool for pulling the codes in this case. this veihicle is on OBDII status. Some shops will scan your codes for free. Autozone is one place that will give you the code number for free.
The most common issue here will be fualty control solenoid(shift). This will require you to drop the transmission pan to access and test. the solenoid is attahced to the valve body inside the pan. this is the most common proplem spot. have this solenoid replaced if all the above check points are ok.
Posted on Jul 19, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
The ignition switch is turned to the RUN or the START position.
When the ignition switch is in the RUN or the START position, the current flows from the B/U Lamp fuse located in the underhood bussed electrical center (UBEC) through CKT 839 (PNK) to the park/neutral position switch. The park/neutral position switch also feeds the backup lamps portion of the switch. With the transmission in the PARK position, the current flows to the BTSI fuse located in the underhood bussed electrical center (UBEC) through CKT 275 (LT GRN). The current then flows to the TCC/stoplamp switch through CKT 584 (LT GRN/BLK). The current continues to the BTSI solenoid through CKT 1135 (DK GRN/WHT). The ground path is provided through CKT 1850 (BLK) to G207. When the brake pedal is depressed, the normally closed contacts in the TCC/stoplamp switch open and the current flow is interrupted. When the current flow is interrupted, the BTSI solenoid de-energizes. The transmission may then shift to another gear. When the transmission shifts to another gear (except PARK), the contacts in the park/neutral position switch open. This condition stops the current flow to energize the solenoid when the brake pedal releases.
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