Question about 1999 GMC Sierra

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I can not find location of Transmission kickdown solenoid for 1999 GMC Seirra 5.3 liter,4/4

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This sensor is integral to the transmission. it is not an external serviceable item.

Posted on Aug 02, 2010

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Posted on Mar 10, 2013


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1 Answer

Where is P0877 automatic transmission fluid sensor located on a 2007 GMC Acaidia

DTC P0877: Transmission Fluid Pressure (TFP) Switch 4 Circuit Low Voltage

The transmission fluid pressure (TFP) switch 4 is part of the control solenoid (w/body and TCM) valve assembly and is not serviced separately. The TCM supplies 12 volts to the TFP switch 4 on the TFP switch 4 signal circuit; the TFP switch 4 has an internal case ground. TFP switch 4 is normally closed, Low. When oil pressure is present at the TFP switch 4, the switch is open, high. The normally low clutch pressure control (PC) solenoid 4-5 controls the transmission fluid to the 1-2-3-4 clutch. The TCM monitors the normally closed TFP switch 4 signal circuit to determine the 1-2-3-4 clutch status.
The TCM detects that the TFP switch 4 signal voltage remains low, 0 volts when the 1-2-3-4 clutch is commanded ON for 5.5 seconds or greater.

Action Taken When the DTC Sets
• DTCs P0877 and P0878 are Type C DTCs.
• The TCM freezes transmission adaptive functions.

Circuit/System Testing
Ensure the TFT is near the temperature displayed in the Failure Records.
Start the engine and place the transmission range selector in D6.
Observe the TFP switch 4 parameter while commanding 4th gear and then commanding 5th gear with the scan tool. The TFP Switch 4 should transition from High in 4th gear to Low in 5th gear.
? If the TFP switch 4 parameter state does not change, perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection .
? If no concerns are found, replace the control solenoid (w/body and TCM) valve assembly.
Component Testing
Perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection .
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control solenoid (w/body and TCM) valve assembly replacement - refer to Control Module References for replacement, setup, and programming.
Perform the Service Fast Learn Adapts

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Shift solenoid D location on Pontiac torrent 2006 PO982 code is shown

No shift solenoid D in your transmission .
DTC P0982 Shift Solenoid (SS) 4 Control Circuit Low Voltage
The 3-4, 4-5 shift solenoid (SS) valve (S4) controls transmission fluid pressure acting on the U1 shift valve to position the valve for the appropriate gear. The 3-4, 4-5 SS valve (S4) is a normally open exhaust valve located on the front control valve body. The solenoid is case grounded. The output driver module (ODM), within the transmission control module (TCM), commands the solenoid ON or OFF by providing voltage. When the 3-4, 4-5 SS valve (S4) is commanded ON, the TCM senses high voltage. When the 3-4, 4-5 SS valve (S4) is commanded OFF, the TCM senses low voltage.
If the TCM detects a continuous short to ground in the 3-4, 4-5 SS valve (S4) circuit, then DTC P0982 sets. DTC P0982 is a type A DTC.

Inside transmission .

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1 Answer

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4 Speed= (85mm)--3.6pt (US)
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Hope this helped you ??

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Transmission wont shift

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