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Diagnostic Trouble Code: 029
Diagnostic Trouble Code Name: Left Front Window Motor Circuit
Vehicle Make: Chevrolet
Vehicle Model: Epica (V250)
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:
Vehicle Speed Information Circuit Invalid Data
Possible Sensor Faults
EBCM
Possible Related Diagnostic Trouble Codes
DTC C0000
Circuit / System Description
The wheel speeds are detected by active wheel speed sensors. Each wheel speed sensor receives a 12?V reference voltage from the electronic brake control module (EBCM) and provides an alternating current square wave signal to the EBCM. As the wheel spins, the EBCM uses the frequency of the square wave signal to calculate the wheel speed. The EBCM sends the wheel speed information as a high speed controller area network (CAN) serial data message. Modules connected to the high speed CAN circuit monitor for the vehicle speed information.
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