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Diagnostic Trouble Code: B0283
Diagnostic Trouble Code Name: Electric Rear Defrost Circuit
Vehicle Make: Chevrolet
Vehicle Model: Caprice (VE)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Up and Down Shift Switch Circuit
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0815, P0816, or P0826
Circuit / System Description
When the shift lever is placed in manual mode?(M) this activates the driver shift request?(DSR), also known as the tap shift function. The DSR allows the vehicle operator to shift gears by pressing the plus?(+) button for an upshift or the minus?(-) button for a downshift. A 12?volt signal circuit is provided by the Body Control Module?(BCM) to the plus or minus buttons. When a plus or minus button is pressed, a corresponding voltage drop occurs across the resistor network embedded in the switches. This voltage drop is monitored by the BCM. The BCM will send the request to transmission control module to perform the upshift or downshift.
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