U1040 Diagnostic Trouble Code Discussion for December 2005
Lost Communication With Antilock Brake System Module
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| Help Request | Posted | |
| 2003 Buick Rendezvous CX 3.4L MIL Lamp on, radio locks, VIN: 3G5DA03E62 U1040: Loss of EBCM communication. Customer had the battery change, and then started to act up --- when starting the vehicle the Driver's message center at instrument panel reads"service engine soon"Not the MIL, the radio screen reads LOCKED,while engine running, and when we turn the ca... |
December 14, 2005 |
