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U1040 Diagnostic Trouble Code Discussion for August 2009

Lost Communication With Antilock Brake System Module


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Trouble Ticket Help Requests for DTC U1040
Help Request Posted
2000 Pontiac Sunfire SE 2.2L MIL Lamp on VIN: 1G2JB5248Y
U1040: Lost Communication With Antilock Brake System Module. Car came in for dead battery, had to jump start after sitting, gauges in dash work/dont work and warning lights come on. Jump start car, theft light, service light, brake/abs light, check gauges light, speedo, tach, coolant temp, fuel gauge not working and err...
August 12, 2009