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U1040 Diagnostic Trouble Code Discussion for July 2011

Lost Communication With Antilock Brake System Module

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Trouble Ticket Help Requests for DTC U1040
Help Request Posted
2001 Chevrolet Malibu 3.1L Stall VIN: 1G1NE52J21
U1040: Lost Communications With EBCM. This vehicle will stall when the a/c compressor kicks on. Does not seem to be locking up. If you turn the a/c compressor off, the motor will run horribly. You could put your foot on the gas and it won't rev past 1500 rpms. Like a clogged converter feel. It wil...
July 25, 2011