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Diagnostic Trouble Code: 4
Diagnostic Trouble Code Name: Mix Door Indicator Output
Vehicle Make: Daewoo
Vehicle Model: Tosca (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:
Rough Road Sensor Circuit
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0318
Circuit / System Description
Correct engine misfire detection is dependent on whether or not the vehicle is experiencing a rough road condition. A rough road condition causes unexpected crankshaft fluctuations. In order to detect a rough road condition, the electronic brake control module (EBCM) communicates a wheel speed signal over the serial data circuit to the engine control module (ECM). The wheel speed sensor information allows the ECM to distinguish if the crankshaft speed variations are caused by a rough road condition or are caused by a true misfire. If the EBCM reports a wheel speed sensor failure, or the ECM does not receive the rough road information, this DTC sets.
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