U1000 Diagnostic Trouble Code Discussion for February 2020
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2003 Cadillac DeVille 4.6L No Start, no crank VIN: 1G6KD54YX3 U1000: Class 2 Communication Malfunction. ... boost, has been sitting for several months, 1yr old battery dead for some time. New battery installed for testing No communication with pcm. check engine light on, u1000 codes in all modules saying no communication w/pcm. class 2 data signal on both w... |
February 14, 2020 | |
| 2012 Land Rover LR4 HSE 5.0L No Start, No crank VIN: SALAG2D42C U1000: Lost communication w/PCM module A. This is a two part request. I'm helping a friend whose Land Rover tech just passed away. The tech had recently pulled the RH (bank 1) head for repair and reassembled with all new timing components. The car ran and idled fine, and quietly, but check engine ... |
February 16, 2020 | |
| 2003 Cadillac DeVille 4.6L No Start, no crank VIN: 1G6KD54YX3 U1000: Class 2 Communication Malfunction. ... boost, has been sitting for several months, 1yr old battery dead for some time. New battery installed for testing No communication with pcm. check engine light on, u1000 codes in all modules saying no communication w/pcm. class 2 data signal on both w... |
February 18, 2020 |
