U1000 Diagnostic Trouble Code Discussion for November 2015
Class 2 Communication Malfunction
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC U1000
| Help Request | Posted | |
| 2004 Cadillac CTS 3.6L No Start, Defective New PCM's VIN: 1G6DM57734 U1000: Class 2 Comm Fault. OK, Diagnosis thru IATN & Identifix sources was fairly straight forward, a bad PCM. The oem PCM had no communication. The power mode read all key positions fine. Replaced it with a Reman Delco unit [...]. Once installed before programming the key would ret... |
November 11, 2015 |
