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Diagnostic Trouble Code: 6
Diagnostic Trouble Code Name: Automatic Temperature Controller Malfunction
Vehicle Make: Chevrolet
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:
Transmission Torque Request Circuit
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P2544 for the 2.8L, 3.0L, 3.2L, or 3.6L engine
Circuit / System Description
To improve shift feel, the transmission control module (TCM) may request that the engine control module (ECM) reduce engine torque during shift events. When such a request is received, the ECM responds by retarding the injection timing and notifying the TCM that the request has succeeded. If the ECM is unable to comply with the request, the ECM sends the TCM a message that the request has failed.
The torque reduction request is sent to the ECM through GMLAN.
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