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U1040 Diagnostic Trouble Code Discussion for July 2007

Lost Communication With Antilock Brake System Module

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Trouble Ticket Help Requests for DTC U1040
Help Request Posted
2003 Oldsmobile Alero GL 3.4L MIL Lamp on VIN: 1G3NL52E93
U1040: Lost Communication With Antilock Brake System Module. ... light on. it happens on wet days and/or after a false start. if i stop the engine and restart the car the light goes out.codes are u1040, u1088, c1298. i have checked the wires at the (ebcm)no trouble found. not sure what to...
July 26, 2007