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Diagnostic Trouble Code: B0228
Diagnostic Trouble Code Name: Recirculation Door Motor Circuit
Vehicle Make: Chevrolet
Vehicle Model: Lumina (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:
Clutch Pressure Control Solenoid 3 System Performance
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0969-P0971
Circuit / System Description
The clutch pressure control?(PC) solenoid?3 is integral to the control solenoid (w/body and TCM) valve assembly and has no serviceable parts. The PC solenoid?3 is a normally high-pressure control solenoid which provides fluid pressure to the BR1 and 456 clutch regulator valve. The TCM controls the solenoid pressure by regulating the exhaust fluid. When the TCM commands the solenoid off, the exhausting fluid is stopped and the BR1 and 456 pressure is high. When commanded on, the clutch PC solenoid?3 regulates the amount of exhausting transmission fluid. Solenoid power is supplied by the TCM through a high side driver?(HSD). The HSD protects the circuits and components that the TCM powers. Should the circuit overload the driver will shutdown. After the overload is removed the HSD reset.
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