U1040 Diagnostic Trouble Code Discussion for April 2007
Lost Communication With Antilock Brake System Module
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| Help Request | Posted | |
| 2000 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NF12T6Y U1040: Lost Communication With Antilock Brake System Module. We have had this vehicle for some time, customer finally traded in after so many problems diagnosing this concern. Withscan tool connected fuel pump relay isnt engaging all the time, when fuel pump relay is in off state vehicle wont start, intermittantaly the ... |
April 20, 2007 |
