U1000 Diagnostic Trouble Code Discussion for July 2014
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2004 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Misfire VIN: 2GCEK13T24 U1000: Class 2 Data Link Malfunction- SRS System. ... it had a mis. scanned it and found p0101, p0300, p0171, u1000. it has just a slight miss at idle n gear with the a/c on. checked compression was good, checked fuel pressure was n spec. did some looking around and could only come up with a mass air flow int... |
July 02, 2014 | |
| 2003 Chevrolet Express 2500 5.3L No Start VIN: 1GCFG25T13 U1000: In SDM Class II data link malfunction. I have a real hair puller here. This van is a cranks/no start. Security telltale DOES NOT illuminate. No DTCs in ECM or BCM. Can communicate with all modules. Can command telltale on in IPC. Passlock cyl. voltage = 3.2 volts. ECM shows VTD fuel enable=No. All ... |
July 16, 2014 | |
| 2003 Chevrolet Express 2500 5.3L No Start VIN: 1GCFG25T13 U1000: In SDM Class II data link malfunction. I have a real hair puller here. This van is a cranks/no start. Security telltale DOES NOT illuminate. No DTCs in ECM or BCM. Can communicate with all modules. Can command telltale on in IPC. Passlock cyl. voltage = 3.2 volts. ECM shows VTD fuel enable=No. All ... |
July 17, 2014 |
