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Diagnostic Trouble Code: B0253
Diagnostic Trouble Code Name: Vent/Floor 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:
CTS_Below_Stat_Reg_Temp
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTCP0128
Circuit / System Description
An engine coolant temperature (ECT) sensor monitors the temperature of the coolant. This input is used by the engine control module (ECM) for engine control, and as an enabling criteria for some diagnostics.
The air flow coming into the engine is accumulated and used to determine if the vehicle has been driven within the conditions that would allow the engine coolant to heat up normally to the thermostat regulating temperature. If the coolant temperature does not increase normally or does not reach the regulating temperature of the thermostat, diagnostics that use ECT as enabling criteria, may not run when expected. This DTC will only run once per ignition cycle within the enabling conditions.
If the ECM detects the calibrated amount of air flow and engine run time have been met and the ECT has not met the minimum thermostat regulating temperature, DTC?P0128 sets
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