U1000 Diagnostic Trouble Code Discussion for April 2020
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2005 Cadillac CTS 3.6L No Start VIN: 1G6DP56725 U1000: Communication with pcm. Vehicle came to shop with a no start, key will not turn off and no PRNDL light on in console, no PCM communication. Cleaned body ground and worked for a day, then back to same symptoms. Checked data lines for open or shorted circuit, none found. Can commun... |
April 16, 2020 |
